Vocabulary

  • on the surface: Appearing to be true or real until examined more closely.
  • think about: To consider something carefully.
  • breathe in: To inhale; to take air into the lungs.
  • breathe out: To exhale air from the lungs.
  • at sea
  • eventually: After a long time; after many attempts; in the end
  • scenario: An imagined sequence of events in a plan/project
  • term: Conditions applying to an agreement, contract
  • consistent: Agreeing with or being similar to another part
  • sense: Certain mental feeling or emotion
  • consumption: The act of buying and using products
  • atmosphere: Air around us
  • measure: Plan to achieve a desired result
  • pressure: Anxiety caused by difficult problems
  • relationship: Connection between two or more people or things
  • increase: To make or become larger in size or amount
  • occur: To come to pass or to happen
  • surface: To give (road) a top layer
  • private: Being away from others and quiet
  • simply: In an easy or clear manner
  • dense: Very thick and difficult to see, get through
  • advance: Forward movement by an army
  • create: To make, cause, or bring into existence
  • volume: Number or amount of something e.g. sales
  • guide: To help or advise someone about something
  • dive: Restaurant, bar or club with a bad reputation
  • reduce: To try to decrease, e.g. your weight if overweight
  • object: Something you can see or touch, but is not alive
  • social: Involving activity with people, e.g. in free time
  • depth: Distance below a surface
  • compact: Small case with face powder and a mirror
  • learn: To get knowledge or skills by study or experience
  • simple: Not hard to understand or do; not complex
  • breathe: To move air into and out of your lungs
  • continue: To do something without stopping, or after pausing
  • accurately: Exactly and without any mistakes; correctly
  • fail: To be unsuccessful in passing a class or exam
  • density: Degree to which an area is filled or covered
  • great: Very good; better than before
  • inflate: To fill/be filled with air and make/become bigger
  • change: To exchange one set of clothes for another
  • recreational: Being done for pleasure
  • deep: Complex and important
  • descend: To go down; to move from a higher to a lower place
  • ascend: To rise, go up to a higher level
  • ambient: Of or in the surrounding area or air
  • unit: One apartment in a building
  • calculate: To find an answer using mathematics
  • balloon: Thin bag of rubber filled with air, used as a toy
  • scuba: Equipment which allows you to breath underwater
  • diving: To swim deep under water with an air supply
  • denser: Thicker and more difficult to see, get through
  • underwater: (Moving or existing) beneath the surface of water
  • diver: Person swimming under water
  • aloha: Expression used to say hello or goodbye in Hawaii
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    • accurately

      US /'ækjərətlɪ/

      UK /'ækjərətlɪ/

      • Adverb
      • Exactly and without any mistakes; correctly
      A2
      More
    • advance

      US /ædˈvæns/

      UK /əd'vɑ:ns/

      • Noun
      • Forward movement by an army
      • An attempt to seduce someone
      • Verb (Transitive/Intransitive)
      • (Of an army) to move forward
      • To change or improve
      A2TOEIC
      More
    • aloha

      US /əˈloʊhə/

      UK /əˈləʊhə/

      • Interjection
      • Expression used to say hello or goodbye in Hawaii
      C2
      More
    • ambient

      US /ˈæmbiənt/

      UK /'æmbɪənt/

      • Adjective
      • Of or in the surrounding area or air
      B2
      More
    • ascend

      US /əˈsɛnd/

      UK /ə'send/

      • Intransitive Verb
      • To rise, go up to a higher level
      B2TOEIC
      More
    • at sea

      US /æt si/

      UK /æt si:/

      • Phrase
      • Adjective
      • Confused; not knowing what to do.
      A1
      More
    • atmosphere

      US /ˈætməˌsfɪr/

      UK /'ætməsfɪə(r)/

      • Noun (Countable/Uncountable)
      • Air around us
      • Feeling or mood of a place
      A2
      More
    • balloon

      US /bəˈlun/

      UK /bəˈlu:n/

      • Countable Noun
      • Thin bag of rubber filled with air, used as a toy
      • Large air-filled bag to carry people into the air
      • Verb (Transitive/Intransitive)
      • To grow larger quickly; spring up suddenly
      • To travel in a large balloon
      B1
      More
    • breathe

      US /brið/

      UK /bri:ð/

      • Verb (Transitive/Intransitive)
      • To move air into and out of your lungs
      • To say something very softly
      A2
      More
    • breathe in

      US /brið ɪn/

      UK /bri:ð in/

      • Phrasal Verb
      • To inhale; to take air into the lungs.
      B1
      More
    • breathe out

      US /brið aʊt/

      UK /bri:ð aut/

      • Phrasal Verb
      • To exhale air from the lungs.
      A1
      More
    • calculate

      US /ˈkælkjəˌlet/

      UK /'kælkjʊleɪt/

      • Transitive Verb
      • To find an answer using mathematics
      • To make an educated guess about something
      B2
      More
    • compact

      US /kəmˈpækt/

      UK /'kɒmpækt/

      • Noun (Countable/Uncountable)
      • Small case with face powder and a mirror
      • A formal agreement or contract.
      • Adjective
      • Packed closely together
      B1
      More
    • consistent

      US /kənˈsɪstənt/

      UK /kənˈsɪstənt/

      • Adjective
      • Agreeing with or being similar to another part
      • In agreement; reliable
      A2
      More
    • consumption

      US /kənˈsʌmpʃən/

      UK /kənˈsʌmpʃn/

      • Noun (Countable/Uncountable)
      • The act of buying and using products
      • The act of using energy, food or materials; the amount used
      B1
      More
    • dense

      US /dɛns/

      UK /dens/

      • Adjective
      • Very thick and difficult to see, get through
      • Hard to understand
      B1TOEIC
      More
    • denser

      US

      UK

      • Adjective
      • Thicker and more difficult to see, get through
      B1
      More
    • density

      US /ˈdɛnsɪti/

      UK /ˈdensəti/

      • Noun (Countable/Uncountable)
      • Degree to which an area is filled or covered
      • The degree of compactness of a substance.
      C1TOEIC
      More
    • depth

      US /dɛpθ/

      UK /depθ/

      • Noun
      • Distance below a surface
      A2
      More
    • descend

      US /dɪˈsɛnd/

      UK /dɪˈsend/

      • Intransitive Verb
      • To go down; to move from a higher to a lower place
      B1
      More
    • dive

      US /daɪv/

      UK /daɪv/

      • Noun (Countable/Uncountable)
      • Restaurant, bar or club with a bad reputation
      • Rapid fall through air
      • Intransitive Verb
      • To swim deep under water with an air supply
      • To rapid fall through air
      B1
      More
    • diver

      US /ˈdaɪvɚ/

      UK /ˈdaɪvə(r)/

      • Noun
      • Person swimming under water
      B1
      More
    • diving

      US

      UK

      • Intransitive Verb
      • To swim deep under water with an air supply
      • To rapid fall through air
      • Uncountable Noun
      • Act of swimming underwater
      B1
      More
    • eventually

      US /ɪˈvɛntʃuəli/

      UK /ɪˈventʃuəli/

      • Adverb
      • After a long time; after many attempts; in the end
      • At some later time; in the future
      A2
      More
    • guide

      US /ɡaɪd/

      UK /ɡaɪd/

      • Transitive Verb
      • To help or advise someone about something
      • To control missile to hit a target by radio signal
      • Noun (Countable/Uncountable)
      • Book or a magazine containing information/advice
      • Person leading others visiting an unknown place
      A2TOEIC
      More
    • inflate

      US /ɪnˈflet/

      UK /ɪnˈfleɪt/

      • Verb (Transitive/Intransitive)
      • To fill/be filled with air and make/become bigger
      • To make a thing seem bigger/greater than it is
      • Transitive Verb
      • To make a thing seem bigger/greater than it is
      B1
      More
    • object

      US /ˈɑbdʒɪkt/

      UK /'ɒbdʒɪkt/

      • Noun (Countable/Uncountable)
      • Something you can see or touch, but is not alive
      • Goal or purpose of a particular plan or activity
      • Verb (Transitive/Intransitive)
      • To disagree; to protest against an idea or plan
      • To state one's reason for disagreement
      A2TOEIC
      More
    • occur

      US /əˈkɚ/

      UK /əˈkɜ:(r)/

      • Intransitive Verb
      • To come to pass or to happen
      • To be found to exist; to be present.
      A2TOEIC
      More
    • on the surface

      US /ɑn ði ˈsɚfəs/

      UK /ɔn ðə ˈsə:fis/

      • Phrase
      • Appearing to be true or real until examined more closely.
      • Located on the outer part or uppermost layer of something.
      B2
      More
    • pressure

      US /ˈprɛʃɚ/

      UK /'preʃə(r)/

      • Noun (Countable/Uncountable)
      • Anxiety caused by difficult problems
      • Force, weight when pressing against a thing
      • Transitive Verb
      • To apply force to something
      • To persuade or force someone to do something
      A2TOEIC
      More
    • recreational

      US /ˌrɛkriˈeʃənəl/

      UK /ˌrekriˈeɪʃənl/

      • Adjective
      • Being done for pleasure
      • Relating to the use of drugs for pleasure rather than for medical purposes.
      B2
      More
    • reduce

      US /rɪˈdus, -ˈdjus/

      UK /rɪ'dju:s/

      • Verb (Transitive/Intransitive)
      • To try to decrease, e.g. your weight if overweight
      • To boil a liquid until it has decreased in amount
      A2TOEIC
      More
    • relationship

      US /rɪˈleʃənˌʃɪp/

      UK /rɪˈleɪʃnʃɪp/

      • Noun (Countable/Uncountable)
      • Connection between two or more people or things
      • Way people interact or live with each other
      A2TOEIC
      More
    • scenario

      US /səˈner.i.oʊ/

      UK /sɪˈnɑː.ri.əʊ/

      • Noun
      • An imagined sequence of events in a plan/project
      B1
      More
    • scuba

      US /ˈskubə/

      UK /'skju:bə/

      • Noun
      • Equipment which allows you to breath underwater
      B2
      More
    • surface

      US /ˈsɚfəs/

      UK /'sɜ:fɪs/

      • Transitive Verb
      • To give (road) a top layer
      • Intransitive Verb
      • To appear after being hidden, unseen, or unknown
      • To come to the top of something; emerge
      A2TOEIC
      More
    • think about

      US /θɪŋk əˈbaʊt/

      UK /θiŋk əˈbaut/

      • Phrasal Verb
      • To consider something carefully.
      • To remember or call to mind.
      A1
      More
    • underwater

      US /ˈʌndɚˌwɔtɚ, -ˌwɑtɚ/

      UK /ˌʌndəˈwɔ:tə(r)/

      • Adjective
      • (Moving or existing) beneath the surface of water
      C2
      More
    • unit

      US /ˈjunɪt/

      UK /ˈju:nɪt/

      • Countable Noun
      • One apartment in a building
      • Group of people, e.g. soldiers, that work together
      B2TOEIC
      More
    • volume

      US /ˈvɑljum, -jəm/

      UK /ˈvɒlju:m/

      • Noun (Countable/Uncountable)
      • Number or amount of something e.g. sales
      • Amount of space that something takes up
      • Countable Noun
      • One book that is part of a set of books
      A2
      More
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    01:03

    She took a brave step forward, leaving behind her comfort zone to chase her dreams.

    Vocabulary
    • brave

      adj. Having courage

    • comfort zone

      phr. A familiar situation where one feels safe

    Explanation
    a brave step is a noun phrase, where brave is an adjective modifying the noun step, meaning "a courageous step". forward is an adverb modifying step, meaning "ahead". The whole phrase serves as the object, answering the "what" of took (verb) — she took a brave step forward.

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    brave

    US/brev/
    UK/breɪv/
    adj.Brave
    v.t.To bravely face
    A2 Elementary

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    B2US
    #scuba#volume#pressure#underwater#scuba diving#diving

    Scuba Diving for Beginners - Understanding Atmospheres Underwater is Easy

    0
    Wenwen Chang posted on 2025/05/13
    Ever wondered what happens to air pressure when you dive deep? This video breaks down the fascinating physics behind scuba diving, like Boyle's Law, and explains why you should never hold your breath underwater! You'll pick up essential safety tips and vocabulary perfect for beginner divers.

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