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Record Cave Dive Leaves Mystery | National Geographic

Video vocabulary

fatal

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US / ˈfeɪtl /

UK / ˈfetl /

B1
  • adjecitve
  • Causing death; having very bad consequences
  • Causing negative results

erratic

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US / ɪˈrætɪk /

UK / ɪˈrætɪk /

B2
  • adjecitve
  • Not acting in a regular/planned way; unpredictable

equipment

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US / ɪˈkwɪpmənt /

UK / ɪˈkwɪpmənt /

A2
  • noun
  • Tools or materials used to perform a task

harris

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US / ˈhærɪs /

UK / ˈhɛrɪs /

A1
  • proper noun
  • The southern part of the island of Lewis and Harris in the Outer Hebrides.

emerge

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US / ɪ'mɜ:dʒ /

UK / ɪˈmɚdʒ /

A2
  • verb
  • To rise or appear out of some background

decompression

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US / ˌdi:kəmˈpreʃn /

UK / ˌdikəmˈprɛʃən /

C1
  • noun
  • Reduction of pressure, e.g. after deep-sea diving

delivery

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US / dɪˈlɪvəri /

UK / dɪˈlɪvəri, -ˈlɪvri /

A2
  • noun
  • Way someone acts when speaking publicly
  • Act of taking something to a person or place

place

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US / pleɪs /

UK / ples /

A1
  • noun
  • Particular location, area or region
  • verb
  • To put someone in a particular type of situation
  • To put something in a certain location or position

fund

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US / fʌnd /

UK / fʌnd /

A2
  • noun
  • Money collected, saved, or provided for a purpose
  • A specific account into which you put money
  • verb
  • To supply money for something

beneath

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US / bɪ'ni:θ /

UK / bɪˈniθ /

A2
  • preposition
  • Not worthy of you; not good enough for you
  • Under; In or to a lower position; below

shaft

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US / ʃɑ:ft /

UK / ʃæft /

B2
  • noun
  • Vertical, sloping passageway leading to a surface
  • verb
  • To ruin the plans or prospects of others

physician

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US / fɪˈzɪʃn /

UK / fɪˈzɪʃən /

B2
  • noun
  • A medical doctor

get

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US / ɡet /

UK / ɡɛt /

A1
  • verb
  • To become affected by illness or disease
  • To begin to feel or understand an emotion or idea
  • To send or bring someone or something home, etc.
  • To go somewhere to obtain something
  • To (cause to) do a particular thing
  • To obtain, receive or be given something
  • To currently have
  • To prepare for use
  • To understand something being said or read

require

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US / rɪ'kwaɪə(r) /

UK / rɪˈkwaɪr /

A2
  • verb
  • To demand that someone does something
  • To need to do something, to make it necessary

offer

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US / 'ɒfə(r) /

UK / ˈɔfɚ, ˈɑfɚ /

A1
  • noun
  • Price you say you are willing to pay for something
  • Act of making a thing available to be accepted
  • verb
  • To suggest a price you are willing to pay
  • To give the opportunity to accept something
  • To say you are willing to do something
  • To give or say something as an act of worship

enough

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US / ɪˈnʌf /

UK / ɪˈnʌf /

A1
  • adjecitve
  • Sufficient to answer the need
  • adverb
  • To a satisfactory degree
  • pronoun
  • Equal to what is needed; as much as required
  • Adequate number or amount

great

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US / ɡreɪt /

UK / ɡret /

A1
  • adjecitve
  • Very large in size
  • Very important
  • Very good; fantastic; wonderful
  • adverb
  • Very good; better than before
  • noun
  • Successful and well-admired person

find

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US / faɪnd /

UK / faɪnd /

A1
  • noun
  • Object discovered by chance
  • Things that have been discovered from searching
  • verb
  • To become aware of something that is happening
  • To discover or meet by chance
  • To decide if someone is guilty of a crime, or not
  • To learn through study, research, or effort
  • To discover something by looking for it

depth

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US / depθ /

UK / dɛpθ /

A2
  • noun
  • Distance below a surface

bend

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US / bend /

UK / bɛnd /

A2
  • noun
  • When a road changes direction; turn
  • verb
  • To become curved or no longer straight
  • To move your body so that it is not straight up
  • To turn in a different direction, as a road
  • To use force to make an object not straight

diver

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US / ˈdaɪvə(r) /

UK / ˈdaɪvɚ /

B1
  • noun
  • Person swimming under water

possible

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US / ˈpɒsəbl /

UK / ˈpɑsəbəl /

A1
  • adjecitve
  • Being able or appropriate for a task or purpose
  • Having a chance of happening, or being true

main

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US / meɪn /

UK / men /

A1
  • adjecitve
  • Most important; most often used

very

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US / 'verɪ /

UK / ˈvɛri /

A1
  • adjecitve
  • Concerning a large degree or amount
  • adverb
  • A lot; much; many
  • Used to stress or emphasize a noun

they

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US / ðeɪ /

UK / ðe /

A1
  • pronoun
  • Two or more people, animals, or things

mountain

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US / 'maʊntən /

UK / ˈmaʊntən /

A1
  • noun
  • Very high piece of land, higher than a hill

result

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US / rɪ'zʌlt /

UK / rɪˈzʌlt /

A2
  • noun
  • Something produced through tests or experiments
  • Final score of a competition, election or game
  • verb
  • To be the outcome of other causes and effects

encampment

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US / ɪn'kæmpmənt /

UK / ɛnˈkæmpmənt /

C2
  • noun
  • Temporary living area for soldiers

take

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US / teɪk /

UK / tek /

A1
  • noun
  • Filming of a single scene for TV or the movies
  • verb
  • To accept something that is offered
  • To use a method of traveling, e.g. a bus or train
  • To use a camera to make (a photo)
  • To pick up something and go away with it
  • To study a subject in school
  • To attempt to pass (an exam)
  • To require a certain amount of time, money, space

resurgence

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US / rɪˈsɜ:dʒəns /

UK / rɪˈsɜ:rdʒəns /

B2
  • noun
  • A rise again as to new life and vigor

dioxide

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US / daɪˈɒksaɪd /

UK / daɪˈɑksaɪd /

B2
  • noun
  • An oxide containing two oxides per molecule

way

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US / weɪ /

UK / we /

A1
  • adverb
  • Used to emphasize the amount of something
  • noun
  • Particular aspect of something being thought about
  • One of various choices that could be made
  • Particular existing condition or state
  • (Often long) distance or length of time
  • How something is done
  • Route to go to a place
  • Small street
  • Usual behavior, emotions or habits of someone

their

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US / ðɛː /

UK / ðer /

A1
  • determiner
  • Belonging to them

nowhere

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US / 'nəʊweə(r) /

UK / ˈnoˌhwɛr, -ˌwɛr /

A2
  • adverb
  • Not in or at any place; no place

heart

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US / hɑ:t /

UK / hɑrt /

A1
  • noun
  • A feeling of care for others; compassion
  • Courage, confidence, and emotional strength
  • Be cheerfully encouraging
  • Most essential, important, or central part
  • Referring to a promise or something important
  • State or feelings of affection or deep love
  • Core part of a vegetable, e.g. a lettuce
  • The part of the body that pumps blood
  • Place where emotions are believed to be felt
  • A shape that represents love

expedition

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US / ˌekspəˈdɪʃn /

UK / ˌɛkspɪˈdɪʃən /

B1
  • noun
  • Long journey, often to a dangerous or new place
  • Short trip to a specific place, e.g. for shopping

death

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US / deθ /

UK / dɛθ /

A2
  • noun
  • When someone dies; the end of life

else

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US / els /

UK / ɛls /

A1
  • adverb
  • Otherwise; if you fail to
  • (Of person place thing etc.) besides; in addition

return

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US / rɪ'tɜ:n /

UK / rɪ'tɜ:rn /

A1
  • adjecitve
  • Do again; repeated
  • noun
  • Faulty or unwanted product sent back to a company
  • Enter key; the main key on the computer keyboard
  • Profit made as a result of a business activity
  • Process of going back to a previous way or state
  • verb
  • To hit something back to the other player or team
  • To come back after being away from somewhere
  • To repay someone's actions, kindness etc.
  • To put, bring, take, give, or send something back
  • To occur again

its

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US / ɪts /

UK / ɪts /

A1
  • adjecitve
  • Referring to or belonging to ‘it’
  • determiner
  • Of something; belonging or related to something
  • other
  • Possessive form of “it”

overexertion

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US / əʊvərɪg'zɜ:ʃən /

UK / oʊvərɪg'zɜ:ʃən /

A1
  • verb
  • Excessive exertion; so much exertion that discomfort or injury results

look

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US / lʊk /

UK / lʊk /

A1
  • noun
  • Person's beauty or physical attractiveness
  • Particular style of dress, clothes, or appearance
  • The way someone, something appears to be
  • Act of searching for or examining something
  • verb
  • To appear to be; seem

bit

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US / bɪt /

UK / bɪt /

A1
  • noun
  • Device put in a horse's mouth to control it
  • Small piece of something
  • verb
  • (E.g. of fish) to take bait and be caught

aquifer

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US / ˈækwɪfə(r) /

UK / ˈækwəfɚ, ˈɑkwə- /

B2
  • noun
  • Water-bearing layer of rock, sand, or gravel

this

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US / ðɪs /

UK / ðɪs /

A1
  • adjecitve
  • Used to indicate something already been discussed
  • Used to indicate something happening around now
  • adverb
  • An indication by a physical motion or gesture
  • A specific amount of
  • determiner
  • Person, thing, or idea near you
  • pronoun
  • Person, thing that has already been discussed

consist

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US / kən'sɪst /

UK / kənˈsɪst /

A2
  • verb
  • To have as an essential, necessary or main part

problematic

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US / ˌprɒbləˈmætɪk /

UK / ˌprɑbləˈmætɪk /

B2
  • adjecitve
  • Being difficult to deal with or fix

level

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US / 'levl /

UK / ˈlɛvəl /

A2
  • adjecitve
  • (Sports) equal to another
  • Being steady and determined (e.g. a voice)
  • noun
  • Specific height of something
  • Amount of ability you have compared to others
  • Floor or deck within a building
  • Tool used to determine if something is lying flat
  • verb
  • To aim a gun at someone
  • To destroy a building; flatten an area completely
  • To make things flat or even
  • To make a score equal to another, in sports

deep

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US / di:p /

UK / dip /

A1
  • adjecitve
  • Complex and important
  • Extreme or intense
  • Going far down from the surface
  • Low in pitch, as a sound
  • adverb
  • At a certain distance beneath the surface

cave

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US / keɪv /

UK / kev /

A2
  • noun
  • Large hole in the side of a cliff or hill
  • verb
  • To give in to pressure

one

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US / wʌn /

UK / wʌn /

A1
  • pronoun
  • You; we; people in general; someone
  • The thing or person previously referred to
  • adjecitve
  • Used to refer to people generally
  • Being a strong example of (something mentioned)
  • number
  • Number 1

into

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US / 'ɪntə /

UK / ˈɪntu /

A1
  • preposition
  • Moving or going inside something
  • In the same direction as; in the direction of
  • So as to become; taking the state of

australian

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US / ɒˈstreɪliən /

UK / ɔˈstreljən /

A1
  • adjecitve
  • Concerning the culture and people of Australia
  • noun
  • People from Australia

safely

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US / ˈseɪfli /

UK / ˈseflɪ /

A1
  • adverb
  • Out of danger

path

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US / pɑ:θ /

UK / pæθ, pɑθ /

A2
  • noun
  • Method of living leading to a particular result
  • Track made with stones, by walking over the ground

make

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US / meɪk /

UK / mek /

A1
  • noun
  • Product made by a particular company; brand
  • verb
  • To arrange or prepare something e.g. dinner
  • To get to (a place) on time
  • To gain the status of (teacher, lawyer, etc.)
  • To create something by putting things together
  • To earn a certain amount of money at a job
  • To cause or force a person to do something
  • To cause something to happen or be formed

body

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US / ˈbɒd.i /

UK / ˈbɑdi /

A1
  • noun
  • An object distinct from other objects
  • A group of people involved in an activity together
  • Main part of something
  • A person's physical self

you

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US / jʊ /

UK / ju /

A1
  • pronoun
  • Person someone is speaking or writing to
  • Person or people in general

year

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US / jə: /

UK / jɪr /

A1
  • noun
  • Unit of time equal to 12 months or 365 or 366 days
  • Used to refer to the age of a person

live

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US / lɪv /

UK / liv /

A1
  • adjecitve
  • Being broadcast as events happen, not recorded
  • Carrying electric current; able to give a shock
  • Glowing because burning; hot
  • Not yet killed (for food)
  • adverb
  • (Music, drama) as it is performed
  • verb
  • To be alive
  • To experience a particular type of life
  • To make your home in a house or town

kind

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US / kaɪnd /

UK / kaɪnd /

A1
  • adjecitve
  • In a caring and helpful manner
  • friendly and considerate
  • noun
  • One type of thing

inconclusive

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US / ˌɪnkənˈklu:sɪv /

UK / ˌɪnkənˈklusɪv /

B1
  • adjecitve
  • Not finally proving; not completely ending doubt

five

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US / faɪv /

UK / faɪv /

A1
  • number
  • 5

also

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US / 'ɔ:lsəʊ /

UK / ˈɔlso /

A1
  • adverb
  • In addition; too; in a similar way

construct

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US / kənˈstrʌkt /

UK / kənˈstrʌkt /

A2
  • noun
  • A thought, theory or hypothesis
  • verb
  • To build or create something
  • To create a sentence, story, argument or theory

attempt

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US / ə'tempt /

UK / əˈtɛmpt /

A2
  • noun
  • Effort made to try to do or accomplish something
  • verb
  • To try to do something challenging or difficult

the

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US / ðə /

UK / ðə /

A1
  • article
  • Used to refer to something already mentioned
  • Used to show there is only one of something
  • determiner
  • Used to describe all of a family

might

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US / maɪt /

UK / maɪt /

A1
  • other
  • Used to politely request an action
  • Used to express that something could happen
  • Power, strength, force or influence

lead

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US / li:d /

UK / lid /

A1
  • adjecitve
  • Being the main part in movies or plays
  • noun
  • Wire for electricity, computer, etc.; cable
  • Information that could help to solve a crime
  • Main part in a play or movie
  • Heavy, gray metal element
  • Rope used to tie something to stop it escaping
  • Act of being at the front in a race or game
  • verb
  • To show the way or guide others
  • To be at the front of a race or game
  • To travel in front of; go in advance of others

surface

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US / 'sɜ:fɪs /

UK / ˈsɚfəs /

A2
  • adjecitve
  • Of the top layer; not deep or meaningful
  • noun
  • Top layer of the ground or of water
  • Nature or emotions that show, but may not be true
  • Outside or upper layer of something
  • verb
  • To give (road) a top layer
  • To appear after being hidden, unseen, or unknown
  • To come to the top of something; emerge
  • To come to the top level of water, mud, etc.

not

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US / nɒt /

UK / nɑt /

A1
  • adverb
  • Word indicating the negative
  • (Used to form the negative of verbs)

want

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US / wɔnt /

UK / wɑnt, wɔnt /

A1
  • noun
  • Something you desire or wish for
  • State or condition of poverty
  • verb
  • To desire or wish for something; hope for a thing

safety

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US / ˈseɪfti /

UK / ˈsefti /

A1
  • noun
  • Device on a gun to prevent accidental shooting
  • State of being free from harm or danger

sport

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US / spɔ:t /

UK / spɔː(r)t /

A1
  • noun
  • Something that is done for fun, e.g. football
  • Game or physical exercise with rules
  • Someone with a good attitude when things go badly
  • verb
  • To do something for fun, e.g. playing with animals
  • To wear, or show something off by wearing it

become

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US / bɪ'kʌm /

UK / bɪˈkʌm /

A1
  • verb
  • To begin to be; grow to be; develop into
  • To be suitable for a particular job or role

recent

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US / 'ri:snt /

UK / ˈrisənt /

A1
  • adjecitve
  • Happening or beginning not long ago

nearly

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US / ˈniəli /

UK / ˈnɪrli /

A1
  • adverb
  • Not completely; almost

can

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US / kæn /

UK / kən,kæn /

A1
  • noun
  • A metal container for storing food
  • other
  • Able to; have the skill to; have the time to
  • verb
  • To have permission to
  • To be possible to do
  • To preserve food by sealing it in a metal container

underground

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US / ˈʌndəgraʊnd /

UK / ˈʌndərgraʊnd /

B1
  • adjecitve
  • (Being or living) under the surface of the earth
  • noun
  • Secret group organized to overthrow a government
  • Subway system, e.g. in London

river

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US / ˈrɪvə(r) /

UK / ˈrɪvɚ /

A1
  • noun
  • Flowing water that runs from mountains to the sea

research

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US / rɪ'sɜ:tʃ /

UK / rɪˈsɚtʃ, ˈriˌsɚtʃ /

A2
  • noun
  • Study done to discover new ideas and facts
  • Work done to find or discover knowledge
  • verb
  • To study in order to discover new ideas and facts

life

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US / laɪf /

UK / laɪf /

A1
  • noun
  • All the living things e.g. animals, plants, humans
  • Period of time things live, from birth to death

entrance

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US / ˈentrəns /

UK / ˈentrəns /

B1
  • noun
  • A place where you enter a house or other building
  • Act of joining a party in a showy manner
  • The right to enter a place

but

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US / bət /

UK / bʌt,bət /

A1
  • conjunction
  • Used before you say something different, opposite

unconsciousness

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US / ʌnˈkɒnʃəsnəs /

UK / ʌnˈkɑn-ʃəsnɪs /

B1
  • noun
  • Being asleep

south

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US / saʊθ /

UK / saʊθ /

A1
  • adjecitve
  • Direction to your right when facing the rising sun
  • Coming from the opposite direction from north
  • noun
  • The direction to your right of the rising sun

sickness

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US / ˈsɪknəs /

UK / ˈsɪknɪs /

A2
  • noun
  • State of illness or poor health

measure

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US / ˈmeʒə(r) /

UK / ˈmɛʒɚ /

A1
  • noun
  • Plan to achieve a desired result
  • Tool used to calculate the size of something
  • verb
  • To determine the value or importance of something
  • To calculate size, weight or temperature of

faint

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US / feɪnt /

UK / fent /

A2
  • adjecitve
  • Lacking strength; weak; lacking clarity
  • Very small, as in a chance or hope
  • verb
  • To suddenly become unconscious and fall down

experience

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US / ɪk'spɪərɪəns /

UK / ɪkˈspɪriəns /

A1
  • noun
  • Thing a person has done or that happened to them
  • An event at which you learned something
  • Knowledge gained by living life, doing new things
  • verb
  • To gain knowledge by doing things

cautiously

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US / 'kɔ:ʃəslɪ /

UK / ˈkɔʃəslɪ /

B2
  • adverb
  • In a manner to avoid risk or danger

against

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US / əˈgenst /

UK / əˈɡenst /

A1
  • preposition
  • In physical contact with, as for support; next to
  • In opposition to; disagreeing with

freeze

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US / fri:z /

UK / friz /

A2
  • noun
  • Sudden stop to prevent increase or decreases
  • Period of very cold weather under zero degrees
  • verb
  • To harden to a solid below zero degrees
  • To store an item of food in a cold place
  • To make someone to not want to communicate
  • To stop moving and be still; stay the same

diving

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US / ˈdaɪvɪŋ /

UK / ˈdaɪvɪŋ /

B1
  • noun
  • Act of swimming underwater
  • verb
  • To swim deep under water with an air supply
  • To rapid fall through air
  • To jump into water head-first
  • (Of prices) to rapidly fall

really

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US / ˈri:əli /

UK / ˈriəˌli, ˈrili /

A1
  • adverb
  • Used to stress something that is said; definitely
  • In a true or accurate manner
  • Very

mysterious

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US / mɪˈstɪəriəs /

UK / mɪˈstɪriəs /

A2
  • adjecitve
  • Unusual; hard to understand or work out

member

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US / ˈmembə(r) /

UK / ˈmɛmbɚ /

A1
  • noun
  • Part of the body of a human, animal
  • Person or thing belonging to a group or team

swim

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US / swɪm /

UK / swɪm /

A1
  • noun
  • Act of swimming in a pool or ocean
  • verb
  • To move through water by moving parts of the body

try

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US / traɪ /

UK / traɪ /

A1
  • noun
  • Act of putting the ball over the rugby goal line
  • verb
  • To make an effort, to attempt to do something
  • To examine someone or something in a court of law
  • To test to see if it is good or you like it
  • To make a person go through hardship; test
  • To examine something to see if it works

new

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US / nju: /

UK / nu, nju /

A1
  • adjecitve
  • Not old, recently born, built or made
  • Being or doing something for the first time
  • Not felt, seen or known previously
  • Having been recently bought or obtained

lose

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US / lu:z /

UK / luz /

A1
  • verb
  • To be unable to keep in check or control something
  • To decrease in value or quantity (e.g. weight)
  • To stop having certain qualities or abilities
  • To stop having or being entitled to
  • To fail to win something that is being contested
  • To be unable to find something you once had
  • To be dependent on someone (used with 'not')

here

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US / hɪə(r) /

UK / hɪr /

A1
  • adverb
  • In this place; at this location, position or time

extreme

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US / ɪk'stri:m /

UK / ɪkˈstrim /

B1
  • adjecitve
  • Very great in degree
  • Farthest from a center
  • Very severe; very strong
  • noun
  • Effort that is thought more than is necessary

freshwater

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US / 'freʃwɔ:tə(r) /

UK / ˈfrɛʃˌwɔtɚ, -ˌwɑtɚ /

B2
  • noun
  • Water that is not salty

will

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US / wɪl /

UK / wɪl /

A1
  • noun
  • Desire or choice of someone
  • Document saying who gets your money when you die
  • Strong desire to do something; determination
  • Desire to do something; strong wish to do
  • other
  • Used with verbs to express the future
  • verb
  • To leave property to someone after your death
  • To use mental effort to make something happen
  • Am (is, are) likely to do
  • To influence someone to do something
  • To make something happen by strongly wanting it

team

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US / ti:m /

UK / tim /

A1
  • noun
  • Group of people working on a task together
  • Group of people playing a sport together

overcome

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US / ˌəʊvə'kʌm /

UK / ˌovɚˈkʌm /

A2
  • verb
  • To succeed in a struggle against; defeat

many

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US / 'menɪ /

UK / ˈmɛni /

A1
  • determiner
  • Used to refer a large number of things

itself

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US / ɪtˈself /

UK / ɪtˈsɛlf /

A1
  • pronoun
  • Referring to it

after

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US / 'ɑ:ftə(r) /

UK / ˈæftɚ /

A1
  • adverb
  • Later than another time, or behind something
  • conjunction
  • Following something before
  • preposition
  • When an event happened or time has passed

straight

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US / streɪt /

UK / stret /

A2
  • adjecitve
  • Not having curves, bends, or angles
  • Not gay; heterosexual
  • honest and direct
  • adverb
  • in a line; immediately; honestly and directly

someone

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US / ˈsʌmwʌn /

UK / ˈsʌmˌwʌn, -wən /

A1
  • pronoun
  • Person who is not known or named

glacial

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US / ˈgleɪʃl /

UK / ˈɡleʃəl /

C1
  • adjecitve
  • Being extremely and especially cold
  • Concerning, produced, caused by ice and glaciers
  • Being very slow or seemingly unmoving

explorer

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US / ɪkˈsplɔ:rə(r) /

UK / ɪkˈsplɔrɚ, -ˈsplor- /

A2
  • noun
  • Person who travels to places to discover more them

flow

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US / fləʊ /

UK / flo /

A2
  • noun
  • Amount of something that moves through an area
  • verb
  • To move steadily and easily in a certain direction

descend

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US / dɪˈsend /

UK / dɪˈsɛnd /

B1
  • verb
  • To go down; to move from a higher to a lower place

while

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US / waɪl /

UK / hwaɪl, waɪl /

A1
  • conjunction
  • In spite of the fact that; although
  • During the time that; at the same time
  • noun
  • Short amount of time

wait

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US / weɪt /

UK / wet /

A1
  • verb
  • To delay or not do something until later
  • To spend time until an expected thing happens
  • To remain in a place until a thing happens

safe

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US / seɪf /

UK / sef /

A2
  • noun
  • Metal box with a lock to keep valuable things in
  • adjecitve
  • Highly likely
  • Being out of danger

habitat

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US / 'hæbɪtæt /

UK / ˈhæbɪˌtæt /

B1
  • noun
  • Natural place where a plant or animal lives

four

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US / fɔ:(r) /

UK / fɔr, for /

A1
  • number
  • 4

eat

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US / i:t /

UK / it /

A1
  • verb
  • To put food in your mouth

skill

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US / skɪl /

UK / skɪl /

A2
  • noun
  • Ability to do something well

heavily

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US / ˈhevɪli /

UK / hɛvəli /

A2
  • adverb
  • In a slow, loud manner
  • A lot or to a great degree
  • With great effort or force

reason

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US / 'ri:zn /

UK / ˈrizən /

A1
  • noun
  • Ability to think about facts and form a judgment
  • Explanation for why something occurred or was done
  • verb
  • To think and make conclusions in a logical manner

previous

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US / ˈpri:viəs /

UK / ˈpriviəs /

A2
  • adjecitve
  • Existing or happening before the present time

carbon

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US / 'kɑ:bən /

UK / ˈkɑrbən /

B1
  • noun
  • Chemical element with an atomic number of 6

realize

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US / 'ri:əlaɪz /

UK / ˈriəˌlaɪz /

A1
  • verb
  • To become aware of or understand mentally

ton

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US / tʌn /

UK / tʌn /

A2
  • noun
  • Unit of weight; 907 kilograms (US); 1016 (UK)

environment

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US / ɪn'vaɪrənmənt /

UK / ɛnˈvaɪrənmənt, -ˈvaɪən- /

A1
  • noun
  • Natural world in which plants and animals live
  • The entire surrounding conditions of something

another

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US / əˈnʌðə(r) /

UK / əˈnʌðɚ /

A1
  • adjecitve
  • One more, but not this
  • determiner
  • One more added
  • pronoun
  • One more (thing)

far

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US / fɑ:(r) /

UK / fɑr /

A1
  • adjecitve
  • A long way away
  • Being a long way away
  • adverb
  • To a large degree or extent

national

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US / 'næʃnəl /

UK / ˈnæʃənəl, ˈnæʃnəl /

A2
  • adjecitve
  • Concerning a nation as a whole
  • noun
  • A person of a particular country

over

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US / 'əʊvə(r) /

UK / ˈovɚ /

A1
  • adverb
  • Finished; no longer happening
  • Towards the ground/away from a standing position
  • noun
  • A set of six consecutive balls bowled in cricket
  • other
  • Finished
  • preposition
  • Showing the relation when a thing is above another
  • On or covering something
  • Above or across something
  • More than you need
  • From one side to the other
  • In the direction of; toward

out

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US / aʊt /

UK / aʊt /

A1
  • adverb
  • No longer stylish (e.g. fashion)
  • Away from home, business, or the usual place
  • In a direction/movement away from inside or center
  • noun
  • Act when a batter cannot continue playing
  • verb
  • To tell people a secret

form

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US / fɔ:m /

UK / fɔrm /

A1
  • noun
  • Sports team or person's current winning record
  • Document you complete when making an application
  • Visible shape or style; type; kind
  • verb
  • To organize something such as a club or group
  • To develop; to come into a shape or substance
  • To make something into a particular shape

escape

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US / ɪ'skeɪp /

UK / ɪˈskep /

A2
  • noun
  • Act to briefly ignoring boring or bad things
  • The 'esc key' on a keyboard
  • Act of getting away from where you are being kept
  • verb
  • To avoid something undesirable, dangerous or bad
  • To get away from a place where you are being kept
  • (Gas, water) to come out from a pipe, container
  • To not to be noticed or remembered by someone

from

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US / frəm /

UK / frʌm, frɑm,frəm /

A1
  • preposition
  • Starting at a particular place, time or level

mostly

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US / ˈməʊstli /

UK / ˈmoʊstli /

A2
  • adverb
  • In large part; mainly or chiefly

most

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US / məʊst /

UK / most /

A1
  • adverb
  • Very; extremely
  • Greatest possible degree
  • pronoun
  • Nearly all of something

early

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US / ˈɜ:li /

UK / ˈɜ:rli /

A1
  • adjecitve
  • Happening or appearing before
  • adverb
  • Coming/happening before others in a time sequence
  • Happening sooner than expected

drink

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US / drɪŋk /

UK / drɪŋk /

A1
  • noun
  • A liquid that you put in your mouth
  • verb
  • To put water in your body through your mouth

release

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US / rɪ'li:s /

UK / rɪ'li:s /

A2
  • noun
  • Act of freeing someone from a duty or burden
  • Introduction of a new product, film, book, etc.
  • Relief from sadness, suffering or trouble
  • Act of freeing from a jail, cage, prison, etc.
  • verb
  • To free someone from a responsibility or burden
  • To allow a film, music etc. to be sold/distributed
  • To allow to leave a jail, cage, etc.; let out
  • To let go of something you are holding

hope

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US / həʊp /

UK / hop /

A1
  • noun
  • When you wish something will happen; what you wish
  • verb
  • To expect and want something to happen

back

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US / bæk /

UK / bæk /

A1
  • adjecitve
  • Farthest from the front e.g. in a classroom
  • adverb
  • Have returned to a place you were before
  • noun
  • The part of a chair that the upper body leans upon
  • Location at the rear of something
  • The reverse of side something
  • Area on the rear of your body
  • verb
  • To bet money on something
  • To go backwards in a car
  • To support and encourage someone or some cause

and

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US / ənd /

UK / ənd, ən,ænd /

A1
  • conjunction
  • Used to refer to two or more things
  • Plus; in addition; on top of that
  • Used to introduce an action that follows another

failure

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US / ˈfeɪljə(r) /

UK / 'feɪljər /

A1
  • noun
  • When things go wrong; lack of function
  • Act or result of not achieving your goals

come

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US / kʌm /

UK / kʌm /

A1
  • verb
  • To arrive at a place
  • (Of mail) to be delivered
  • To move toward someone; go with someone
  • To reach a certain point or state

dive

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US / daɪv /

UK / daɪv /

B1
  • noun
  • Restaurant, bar or club with a bad reputation
  • Rapid fall through air
  • A jump into water head-first from a high place
  • Rapid fall in the value or price of something
  • verb
  • To swim deep under water with an air supply
  • To rapid fall through air
  • To jump into water head-first
  • (Of prices) to rapidly fall

keep

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US / ki:p /

UK / kip /

A1
  • noun
  • Large, strong tower in the middle of a castle
  • Money spent on you so you can live in a place
  • verb
  • To continue doing something; not to stop
  • To stop balls going in a goal in sports
  • To not give back or return something
  • (Of food) to not spoil or not rot
  • To take possession of something to own, e.g. a pet
  • To have and continue to hold something
  • To do something that you have promised or agreed
  • To stay in a certain place or condition
  • To maintain the rules

dissolve

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US / dɪˈzɒlv /

UK / dɪˈzɑ:lv /

B2
  • verb
  • To cause something to end
  • To dismiss, e.g. a law-making body
  • To melt into and become part of a liquid
  • To end a legal relationship or organization

part

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US / pɑ:t /

UK / pɑ:rt /

A1
  • adjecitve
  • To some degree; half; not fully
  • noun
  • Division of a book
  • Ratio of something, e.g. 3 of gin, 1 of tonic
  • A line in a person's hair, made with a comb
  • Character an actor plays on stage, movie, or TV
  • Some, but not all of a specific thing
  • Role in causing something to happen
  • verb
  • To make a line in a person's hair, by using a comb
  • To move two things apart creating a space
  • To leave someone, or to break off a relationship

six

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US / sɪks /

UK / sɪks /

A1
  • number
  • 6

have

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US / həv /

UK / hæv /

A1
  • verb
  • To drink, smoke, eat or use something
  • To experience the effects of something
  • To organize an event, or join in an activity
  • To own, possess, or hold something
  • To cause to happen or produce a particular effect

island

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US / ˈaɪlənd /

UK / ˈaɪlənd /

A1
  • noun
  • Area of land that is surrounded by water

before

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US / bɪˈfɔ:(r) /

UK / bɪˈfɔr,-ˈfor /

A1
  • adverb
  • At a time earlier than the present; previously
  • conjunction
  • In advance of something happening
  • preposition
  • In front of someone or something

chill

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US / tʃɪl /

UK / tʃɪl /

B1
  • noun
  • State of being a little cold
  • Feeling of fear or being frightened
  • Slight cold or illness that makes you shake
  • verb
  • To make something cold, e.g. a drink
  • To become less tense about something

scientist

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US / ˈsaɪəntɪst /

UK / ˈsaɪəntɪst /

A2
  • noun
  • Person who is trained in a science

remote

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US / rɪ'məʊt /

UK / rɪˈmot /

A2
  • adjecitve
  • Being far away from people, towns, etc.
  • (Of a possibility) being small or not likely
  • (Of time) far off; long ago; far in the future
  • Not friendly; separating yourself from others
  • noun
  • Radio device designed to operate TV, etc.

location

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US / ləʊˈkeɪʃn /

UK / loʊˈkeɪʃn /

B1
  • noun
  • Particular position or area of place, event, etc.

know

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US / nəʊ /

UK / noʊ /

A1
  • verb
  • To be familiar with a person or place, thing
  • To feel sure or be convinced about something
  • To discover or be aware of something
  • To be able to distinguish
  • To have knowledge of things

foot

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US / fʊt /

UK / fʊt /

A1
  • noun
  • Base of something such as a mountain or vase
  • Length of 12 inches or about 25 cm
  • Lowest part of the leg we use to stand on

could

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US / kəd /

UK / kʊd /

A1
  • other
  • Past form of 'can' to mean have ability
  • Used to ask for something politely, or to offer

explore

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US / ɪk'splɔ:(r) /

UK / ɪkˈsplɔr /

A2
  • verb
  • To examine something in detail to learn about it
  • To travel to a place to discover more about it

with

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US / wɪð /

UK / wɪð, wɪθ /

A1
  • preposition
  • As an employee of a certain company
  • Against something or someone
  • By using something as a means
  • Due to; because of
  • Including
  • Possessing as a feature
  • Related to
  • (Of the manner/attitude by which you do something)
  • Used to express that people or things are together

uncharted

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US / ˌʌnˈtʃɑ:tɪd /

UK / ʌnˈtʃɑrtɪd /

B1
  • adjecitve
  • (Land, waters) not yet surveyed or investigated

origin

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US / ˈɒrɪdʒɪn /

UK / ˈɔrədʒɪn,ˈɑr- /

A2
  • noun
  • Point at which something begins or is created
  • Country or social group that a person comes from

his

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US / hɪz /

UK / hɪz /

A1
  • pronoun
  • Something belonging to a male person

dangerous

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US / ˈdeɪndʒərəs /

UK / ˈdendʒərəs /

A1
  • adjecitve
  • Involving the chance of hurt or damage; risky

fahrenheit

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US / ˈfærənhaɪt /

UK / ˈfærənˌhaɪt /

B1
  • noun
  • Measurement of temperature

challenge

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US / 'tʃælɪndʒ /

UK / ˈtʃæləndʒ /

A2
  • noun
  • An activity you wish to try that may be hard to do
  • Act of formally inviting someone to compete
  • A question to determine correctness of something
  • verb
  • To formally invite someone to compete at something
  • To question the correctness of something

air

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US / eə(r) /

UK / er /

A1
  • noun
  • Mixture of gases around the earth that we breathe
  • A person's manner intended to impress others
  • verb
  • To expose to the outside, to dry or freshen
  • To broadcast a TV or radio show
  • To open a subject to discussion and debate

world

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US / wɜ:ld /

UK / wɜrld /

A1
  • noun
  • All the humans, events, activities on the earth
  • Political division due to some kind of similarity

obstacle

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US / ˈɒbstəkl /

UK / ˈɑbstəkəl /

B1
  • noun
  • Object that blocks a path or course

meter

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US / ˈmi:tə(r) /

UK / ˈmitɚ /

A1
  • noun
  • Unit of length equal to 100 cm or about 39 inches
  • Device for measuring things e.g. gas
  • Device to put money into to rent a parking place
  • Rhythm of a poem
  • verb
  • To measure water, etc. when it has to be paid for

dark

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US / dɑ:k /

UK / dɑrk /

A1
  • adjecitve
  • Of a color that is not light
  • Marked by unhappiness or hopelessness
  • Having little or no light; not light in color
  • noun
  • The time of day when the sky is black

within

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US / wɪˈðɪn /

UK / wɪðˈɪn, wɪθ- /

A1
  • adverb
  • Inside the limits of an area, time or range
  • preposition
  • From the inside of something

start

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US / stɑ:t /

UK / stɑrt /

A1
  • noun
  • First time or place that a thing exists; beginning
  • First opportunity to achieve something, e.g. a job
  • Sudden action or movement because you are scared
  • other
  • Beginning of something in place or time
  • verb
  • To do, be or happen for the first time; begin
  • To turn something on

unique

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US / jʊ'ni:k /

UK / juˈnik /

A2
  • adjecitve
  • Unlike other things; being the only one like it

source

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US / sɔ:s /

UK / sɔrs, sors /

A2
  • adjecitve
  • Produces or provides what is wanted or needed
  • noun
  • Piece of information; a person giving information
  • Place from which something necessary comes
  • verb
  • To get, e.g. a raw material, from somewhere

pierce

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US / pɪəs /

UK / pɪrs /

B2
  • noun
  • Person's name
  • verb
  • To force a way into
  • To make a hole with something sharp

exact

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US / ɪɡ'zækt /

UK / ɪɡˈzækt /

A2
  • adjecitve
  • Completely correct; accurate; specific
  • verb
  • To get something, sometimes using force

pace

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US / peɪs /

UK / pes /

A2
  • noun
  • Rate of speed at which something moves or happens
  • Single step, often used to measure a distance
  • verb
  • To set and control your speed, as in a race
  • To walk with slow purposeful steps

mystery

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US / ˈmɪstri /

UK / ˈmɪstəri /

A2
  • noun
  • Quality of being strange and not understood
  • Book, play, or film about solving a strange crime
  • Something that is not known

breathing

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US / ˈbri:ðɪŋ /

UK / ˈbriðɪŋ /

A2
  • verb
  • To move air into and out of your lungs
  • To say something very softly
  • To stop moving so one can rest

trace

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US / treɪs /

UK / tres /

B1
  • noun
  • Very small quantity of something
  • verb
  • To make an outline to determine a shape
  • To find someone or something that has disappeared
  • To draw the outline of an image through thin paper

time

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US / taɪm /

UK / taɪm /

A1
  • noun
  • Speed at which music is played; tempo
  • Point as shown on a clock, e.g. 3 p.m
  • Number of hours, minutes needed to do something
  • Occasion when something happens
  • Period or occasion that something occurred
  • Period in history or the past
  • Something measured in minutes, hours, days, etc.
  • How long an event takes; duration
  • verb
  • To check speed at which music is performed
  • To choose a specific moment to do something
  • To measure how long an event takes, e.g. a race
  • To schedule something to occur at a specific moment

for

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US / fə(r) /

UK / fɔr,fə /

A1
  • preposition
  • Used to show the purpose, or need of something

just

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US / dʒʌst /

UK / dʒʌst /

A1
  • adjecitve
  • Proper or appropriate; as is deserved
  • Doing or being what is right or fair
  • Legally correct; having enough evidence
  • adverb
  • Almost; nearly
  • Exactly at the time of
  • Exactly (the same as, like)

animal

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US / ˈænɪml /

UK / ˈænəməl /

A1
  • noun
  • A living creature that is not a plant or person

poisoning

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US / ˈpɔɪəznɪŋ , ˈpɔɪzənɪŋ /

UK / ˈpɔɪzənɪŋ /

A2
  • verb
  • To affect something in a very negative way
  • To hurt or kill with a dangerous substance

hour

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US / 'aʊə(r) /

UK / aʊr /

A1
  • noun
  • 60 minutes
  • Particular time of the day
  • Fixed, regularly occurring time

strong

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US / strɒŋ /

UK / strɔŋ /

A1
  • adjecitve
  • (Of tea or beer) dark or thick
  • Having big muscles; physically powerful

sideway

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US / ˈsaɪdweɪ /

UK / ˈsaɪdˌweɪ /

A1
  • other
  • From the side; obliquely

cold

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US / kəʊld /

UK / kold /

A1
  • adjecitve
  • Having a very low temperature
  • Being unfriendly or lacking emotion
  • noun
  • Illness of sneezing, coughing, and a sore throat

bubble

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US / ˈbʌbl /

UK / ˈbʌbəl /

B1
  • noun
  • A small ball of air inside of a liquid
  • verb
  • (Of a liquid) to produce bubbles, as when boiling
  • To show intense emotion, e.g. excitement, anger

water

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US / 'wɔ:tə(r) /

UK / ˈwɔtɚ, ˈwɑtɚ /

A1
  • noun
  • Clear liquid that forms the seas, rivers and rain
  • Large area such as an ocean or sea
  • verb
  • (Of the eyes) to produce tears
  • (Mouth) to become wet at the thought of nice food
  • To pour liquids onto a plant to keep it alive

relax

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US / rɪˈlæks /

UK / rɪˈlæks /

A1
  • verb
  • To calm or quiet yourself, or stop worrying
  • To release the tightness in muscles
  • To make a rule or law less strict

such

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US / sʌtʃ /

UK / sʌtʃ /

A1
  • determiner
  • Being similar to
  • (Thing) as previously stated or referred to
  • adverb
  • (Used to emphasize the quality of an adjective)

trap

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US / træp /

UK / træp /

A2
  • noun
  • Device used for catching animals
  • Vehicle pulled by a single horse
  • Area or hazard on a golf course
  • Someone's mouth
  • Uncomfortable event that is hard to escape
  • verb
  • To use a device to catch animals or people
  • To hold, e.g. a nerve, so that it cannot move
  • To catch or prevent someone from escaping
  • To trick someone
  • To put into a situation you can't escape from

definitely

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US / ˈdefɪnətli /

UK / ˈdefɪnətli /

A2
  • adverb
  • Without question; beyond doubt

special

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US / 'speʃl /

UK / ˈspɛʃəl /

A1
  • adjecitve
  • Being additional or extra
  • Different, better or greater than normal
  • noun
  • Heavily discounted sales item

period

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US / ˈpɪəriəd /

UK / ˈpɪriəd /

A1
  • noun
  • Set amount of time during which events take place
  • A way to emphasize what you will say
  • A full stop (.), marking the end of a sentence
  • A menstrual cycle
  • A set time for a class to be held

amphipod

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US / æm'faɪpəd /

UK / æm'faɪpəd /

A1
  • noun
  • Kind of malacostracan crustacean

slowly

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US / ˈsləʊli /

UK / ˈsloʊli /

A1
  • adverb
  • In an unhurried or not speedy manner

must

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US / məst /

UK / mʌst /

A1
  • noun
  • Something that is necessary or required
  • other
  • (Used to state that something ought to be true)
  • Used to say something is required or necessary

search

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US / sɜ:tʃ /

UK / sɜ:rtʃ /

A2
  • noun
  • Examination of person to find something
  • Action to find an answer to a problem
  • Action of trying to find someone or something
  • verb
  • To examine a person's clothing to find something
  • To look for an answer or explanation to a problem
  • To look carefully for someone or something

during

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US / ˈdjʊərɪŋ /

UK / ˈdʊrɪŋ, ˈdjʊr- /

A1
  • preposition
  • At some point in the course of an event or thing

down

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US / daʊn /

UK / daʊn /

A1
  • adjecitve
  • Being sad, sick, or unhappy
  • Not operating, working, or functioning as expected
  • adverb
  • In a sitting or lying position
  • Towards or on the ground, floor, or bottom
  • Written or copied onto a piece of paper or book
  • noun
  • A period of play in American Football
  • The soft, smooth hairs that cover a bird's body
  • preposition
  • Along something's path, course, or direction
  • Going from a higher position to a lower position
  • verb
  • To eat or drink very quickly and without stopping

specie

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US / 'spi:ʃi: /

UK / 'spi:ʃɪ /

B1
  • noun
  • Singular of species

what

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US / wɒt /

UK / hwɑt, hwʌt, wɔt, wʌt,hwət, wət /

A1
  • pronoun
  • Thing or things that; the same kind as
  • Used to emphasize something you are about to say
  • adjecitve
  • Used to refer to a particular amount, or number
  • Used to place emphasis on a particular quality
  • adverb
  • To a certain degree
  • determiner
  • Question words used for asking for information
  • exclamation
  • Used to express excitement, shock, or surprise
  • Used to ask people to repeat something they said

that

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US / ðæt /

UK / ðæt, ðət /

A1
  • adjecitve
  • The person or thing being talked about
  • Used to identify something both the speakers know
  • adverb
  • Used to reinforce adjectives and adverbs
  • To such a degree
  • conjunction
  • Used to connect a noun clause
  • Used to introduce an adverbial clause
  • Used to introduce a noun clause
  • determiner
  • Used as a noun to refer to something
  • pronoun
  • Referring an object far away
  • Used to refer to the relative pronoun ‘which’

sit

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US / sɪt /

UK / sɪt /

A1
  • verb
  • To take an exam
  • To be in a resting position on a chair
  • To provide seating for people
  • To remain in a still position while being painted

like

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US / laɪk /

UK / laɪk /

A1
  • adjecitve
  • Being equal in status or kind to something else
  • Similar; the same
  • adverb
  • For example
  • preposition
  • Used as a filler; used to ad emphasis
  • In a way similar to the way something is done
  • Such as; for example
  • verb
  • To want to
  • To find something pleasing; to prefer something

helicopter

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US / 'helɪkɒptə(r) /

UK / ˈhɛlɪˌkɑptɚ /

B1
  • noun
  • Aircraft with spinning blades at the top
  • verb
  • To transport by helicopter

even

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US / 'i:vn /

UK / ˈivən /

A1
  • adjecitve
  • Being equal in influence, power, possibility etc.
  • Being divided equally or fairly
  • (Of teams/contest) with similar chances of success
  • Smooth, level, or regular
  • Can be divided by 2; ending in 2, 4, 6, 8, or 0
  • At a regular, equally steady manner
  • Remaining steady and unchanging
  • adverb
  • (When this is surprising) as well; too
  • (Used to compare two things/stress the difference)
  • verb
  • To make something level; to flatten
  • To make something equal

current

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US / 'kʌrənt /

UK / ˈkɚrənt, ˈkʌr- /

A2
  • adjecitve
  • Happening or being in the present time
  • noun
  • Electricity flowing through wires
  • Movement of water in a river, or air in the sky

about

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US / ə'baʊt /

UK / əˈbaʊt /

A1
  • adverb
  • To be ready to; going to
  • Nearly; approximately; roughly
  • Near; next to; close to
  • In every direction; in the area of
  • preposition
  • Concerning or of (a topic)

accomplish

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US / ə'kʌmplɪʃ /

UK / əˈkɑmplɪʃ /

B1
  • verb
  • To succeed in doing; complete successfully
  • Subtitles section
  • Divers cautiously descend in a dangerous and uncharted underground river, searching for its mysterious source.
  • On their way, they'll look for new life forms living deep within the cave.
  • Nowhere else in the world are sport divers going so deep in such cold waters.
  • In a remote part of New Zealand's South Island, the Pierce River emerges out of a mountain beneath a cliff.
  • And after years of exploration and research, its exact origin is still unknown.
  • The river emerges from a deep underground cave, which might be the deepest cold water cave in the world.
  • The cave does not go straight down from the surface entrance, but meanders a bit before taking a mostly sideways path into the mountain.
  • It's a challenging environment.
  • The depths found in the cave make diving problematic, and the cave itself is very dark.
  • The current in the river is strong, and the water is just above freezing.
  • Because of the extreme conditions, divers have been unable to reach the cave's source.
  • One diver lost his life attempting to explore the main shaft in 1995.
  • The most recent expedition, funded in part by National Geographic, consists of a team of six Australian cave divers, led by diving physician Richard Harris.
  • Earlier this year, a member of that team accomplished what no previous explorer had.
  • He reached 194 meters in depth, or about 636 feet.
  • The resurgence is in a remote location, and getting five tons of equipment there requires helicopter delivery.
  • This trip required a nearly three-week-long encampment.
  • But it takes special diving skills to go so deep and for so long.
  • The glacial waters are about 43 degrees Fahrenheit, and divers must swim against the flow.
  • They must also swim at a measured pace, because overexertion can lead to carbon dioxide poisoning, which can lead to death.
  • Because of the great depths at which they are diving, they must slowly, over a period of hours, return to the surface.
  • Failure to do so could result in decompression sickness, also known as the bends, which can be fatal.
  • To overcome these obstacles, the team constructed and placed habitats at four depths in the cave.
  • Here, divers can escape the cold water and sit in a trapped bubble of air.
  • They can eat here and drink while they wait many hours for dissolved gases to be safely released from their bodies.
  • Even with these safety measures in place, this kind of diving is still dangerous.
  • During his record-breaking dive, experienced diver Craig Challen realized his breathing had become erratic.
  • And as I'm going down, and I just started breathing really heavily, and that just got, it's just like a self-perpetuating thing, you know, you're trying to relax and chill, and you just can't.
  • It's likely he had just enough time to reach a safer depth before the carbon dioxide levels could have led to unconsciousness.
  • There's definitely a 200-meter dive there for someone that wants it.
  • Challen and the team know a record-breaking attempt is not for the faint of heart.
  • The mystery is part of the reason explorers keep coming back.
  • Dive tracing, so far, has been inconclusive in finding a source of this river.
  • Freshwater animals found in the cold aquifer, like this possible new species of amphipod, also offer scientists a unique look into a little-understood and little-studied habitat.
  • The team hopes to return to the Pierce Resurgence for another exploration dive in 2012.