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Vocabulary

  • due to: Because of; owing to
  • scale up: To increase in size, number, or extent.
  • on the other hand : Considering a different aspect of the matter; alternatively.
  • in comparison: When compared to something else.
  • also known as: Also called; alternatively named.
  • rack up: To accumulate or amass something, typically debts or points.
  • as follows: Used to introduce a list or explanation.
  • phenomenon: Unusual event, fact that can be studied
  • trigger: Lever on a gun that you pull to fire
  • potentially: That could happen or become reality
  • spectrum: The wavelengths of colors from red to violet
  • manifest: List of cargo on a ship
  • exposure: Allowing light through a cameras lens onto film
  • achieve: To succeed in doing good, usually by working hard
  • interact: To talk or do things with each other
  • fear: Unpleasant feeling caused by being aware of danger
  • describe: To tell the appearance, sound, smell of something
  • overwhelm: To defeat something or someone completely
  • decade: Period of 10 years
  • nausea: Feeling of sickness so that you feel like vomiting
  • overcome: To succeed in a struggle against; defeat
  • fuel: To give power to (a mob, anger, etc.); incite
  • absorb: To take up all attention / energy of something
  • escape: Act to briefly ignoring boring or bad things
  • occur: To come to pass or to happen
  • rare: (Of meat) cooked, but still red and juicy
  • intact: Being complete, without damaged or missing parts
  • fatal: Causing death; having very bad consequences
  • comparison: Act of comparing things
  • apply: To spread a substance or liquid over a surface
  • scientific: Concerning academic study of the physical world
  • due: When something is required or expected
  • risk: To do something potentially dangerous or foolish
  • examine: (Medical) to test to find out what is wrong
  • acute: (Of an angle in math) of less than 90 degrees
  • shape: The outer form of something, what it looks like
  • energy: Physical or mental strength
  • radiation: Energy transmitted as rays, waves or particles
  • gain: To increase in something, such as weight
  • detect: To discover or identify the presence of something
  • expose: To make visible, without covering or protection
  • randomly: With no pattern or clear purpose; by chance
  • trace: To make an outline to determine a shape
  • receive: To get something someone has given or sent to you
  • emit: To release or send out (a gas, etc.)
  • magnetic: Having the properties of a magnet; able to attract
  • operate: To control or handle something, such as a machine
  • natural: Being as one would expect; being usual or normal
  • daily: Happening every day
  • potassium: A common, soft, silvery white metal with many uses
  • cellular: Concerning a cell of a living thing
  • repel: To make or force someone or something go away
  • include: To make someone, something part of a group
  • nucleus: Center of an atom
  • understand: To know the meaning of language, what someone says
  • electromagnetic: Having magnetic and electrical parts
  • ultraviolet: Concerning light waves that are extremely short
  • dysfunction: Failure to act as expected, as in a social context
  • time: Speed at which music is played; tempo
  • light: To cause something to burn; put a burning match to
  • unit: One apartment in a building
  • dosage: Measured amount of medicine or drug
  • radioactive: Emitting harmful energy from nuclear activity
  • oscillate: To keep moving back and forth many times
  • ion: Atoms with either a positive or negative charge
  • dna: Chemical in living cells with genetic information
  • radon: Radioactive gas coming naturally from the ground
  • gamma: Third letter of the Greek alphabet
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  • not found vocabularyNo vocabulary matches your filters
    • absorb

      US /əbˈsɔrb, -ˈzɔrb/

      UK /əb'sɔ:b/

      • Transitive Verb
      • To take up all attention / energy of something
      • To take in a liquid; soak up
      B1TOEIC
      More
    • achieve

      US /əˈtʃiv/

      UK /ə'tʃi:v/

      • Transitive Verb
      • To succeed in doing good, usually by working hard
      • To succeed in reaching a particular goal, status, or standard, often after effort or perseverance.
      A2TOEIC
      More
    • acute

      US /əˈkjut/

      UK /əˈkju:t/

      • Adjective
      • (Of an angle in math) of less than 90 degrees
      • Strong; very serious or severe
      B1
      More
    • also known as

      US

      UK

      • Phrase
      • Also called; alternatively named.
      • Identified by another term; synonymous with.
      A1
      More
    • as follows

      US

      UK

      • Phrase
      • Used to introduce a list or explanation.
      A1
      More
    • cellular

      US /ˈsɛljəlɚ/

      UK /'seljələ(r)/

      • Adjective
      • Concerning a cell of a living thing
      • (Of radio signals) functioning without wires
      B2
      More
    • comparison

      US /kəmˈpærɪsən/

      UK /kəmˈpærɪsn/

      • Noun (Countable/Uncountable)
      • Act of comparing things
      • The quality or state of being similar or alike.
      A2
      More
    • decade

      US /ˈdɛkˌed, dɛˈked/

      UK /ˈdekeɪd/

      • Countable Noun
      • Period of 10 years
      B1TOEIC
      More
    • detect

      US /dɪˈtɛkt/

      UK /dɪˈtekt/

      • Transitive Verb
      • To discover or identify the presence of something
      A2TOEIC
      More
    • dna

      US

      UK

      • Noun (Countable/Uncountable)
      • Chemical in living cells with genetic information
      B2
      More
    • dosage

      US /ˈdosɪdʒ/

      UK /ˈdəʊsɪdʒ/

      • Noun
      • Measured amount of medicine or drug
      B2
      More
    • due to

      US /du tu/

      UK /dju: tu:/

      • Preposition
      • Because of; owing to
      • Adjective
      • Attributable to; caused by.
      A1
      More
    • dysfunction

      US /dɪsˈfʌŋkʃən/

      UK /dɪs'fʌŋkʃn/

      • Noun (Countable/Uncountable)
      • Failure to act as expected, as in a social context
      • Impairment of normal physiological function.
      B2
      More
    • emit

      US /ɪˈmɪt/

      UK /ɪ'mɪt/

      • Transitive Verb
      • To release or send out (a gas, etc.)
      B1
      More
    • energy

      US /ˈɛnədʒi/

      UK /'enədʒɪ/

      • Noun (Countable/Uncountable)
      • Physical or mental strength
      • Enthusiasm and determination.
      A2
      More
    • escape

      US /ɪˈskep/

      UK /ɪ'skeɪp/

      • Noun (Countable/Uncountable)
      • Act to briefly ignoring boring or bad things
      • The 'esc key' on a keyboard
      • Verb (Transitive/Intransitive)
      • To avoid something undesirable, dangerous or bad
      • To get away from a place where you are being kept
      A2
      More
    • examine

      US /ɪɡˈzæmɪn/

      UK /ɪgˈzæmɪn/

      • Transitive Verb
      • (Medical) to test to find out what is wrong
      • To test your knowledge or ability
      A2
      More
    • expose

      US /ɪkˈspoʊz/

      UK /ɪk'spəʊz/

      • Transitive Verb
      • To make visible, without covering or protection
      • To allow light through a cameras lens onto film
      A2TOEIC
      More
    • exposure

      US /ɪkˈspoʒɚ/

      UK /ɪk'spəʊʒə(r)/

      • Noun
      • Allowing light through a cameras lens onto film
      • Being talked about in the media
      A2TOEIC
      More
    • fatal

      US /ˈfetl/

      UK /ˈfeɪtl/

      • Adjective
      • Causing death; having very bad consequences
      • Causing negative results
      B1
      More
    • fuel

      US /ˈfjuəl/

      UK /'fju:əl/

      • Transitive Verb
      • To give power to (a mob, anger, etc.); incite
      • To provide gas or petrol for something
      • Uncountable Noun
      • Material used to produce heat or power when burned
      A2TOEIC
      More
    • gain

      US /ɡen/

      UK /ɡeɪn/

      • Verb (Transitive/Intransitive)
      • To increase in something, such as weight
      • To get something wanted, needed or valued
      • Noun (Countable/Uncountable)
      • An increase in something, such as weight
      A2TOEIC
      More
    • gamma

      US /ˈɡæmə/

      UK /'ɡæmə/

      • Noun
      • Third letter of the Greek alphabet
      B2
      More
    • in comparison

      US /ɪn kəmˈpærɪsən/

      UK /in kəmˈpærisən/

      • Adverb
      • When compared to something else.
      • Phrase
      • When compared to something else.
      • When considering the differences between two or more things.
      A1
      More
    • intact

      US /ɪn'tækt/

      UK /ɪn'tækt/

      • Adjective
      • Being complete, without damaged or missing parts
      B1
      More
    • interact

      US /ˌɪntɚˈækt/

      UK /ˌɪntər'ækt/

      • Intransitive Verb
      • To talk or do things with each other
      A2
      More
    • ion

      US /ˈaɪən/

      UK /'aɪən/

      • Noun (Countable/Uncountable)
      • Atoms with either a positive or negative charge
      B2
      More
    • magnetic

      US /mæɡˈnɛtɪk/

      UK /mægˈnetɪk/

      • Adjective
      • Having the properties of a magnet; able to attract
      • Having great power to attract attention, interest
      B2
      More
    • manifest

      US /ˈmænəˌfɛst/

      UK /'mænɪfest/

      • Countable Noun
      • List of cargo on a ship
      • Transitive Verb
      • To express or show clearly
      • Display or show (a quality or feeling) by one's acts or appearance; demonstrate.
      B1TOEIC
      More
    • nausea

      US /ˈnɔziə, -ʒə, -siə, -ʃə/

      UK /ˈnɔ:ziə/

      • Uncountable Noun
      • Feeling of sickness so that you feel like vomiting
      • A feeling of revulsion; disgust.
      B2
      More
    • nucleus

      US /ˈnuːkliəs/

      UK /ˈnjuːkliəs/

      • Noun
      • Center of an atom
      • Control center of a cell
      B2
      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 other hand

      US

      UK

      • Phrase
      • Considering a different aspect of the matter; alternatively.
      A1
      More
    • oscillate

      US

      UK

      • Intransitive Verb
      • To keep moving back and forth many times
      B2
      More
    • overcome

      US /ˌovɚˈkʌm/

      UK /ˌəʊvə'kʌm/

      • Transitive Verb
      • To succeed in a struggle against; defeat
      • Participle
      • Past participle of overcome; to have successfully dealt with or controlled a problem or feeling.
      A2TOEIC
      More
    • overwhelm

      US /ˌoʊvərˈwelm/

      UK /ˌəʊvəˈwelm/

      • Transitive Verb
      • To defeat something or someone completely
      • To affect someone emotionally in a strong way
      B1TOEIC
      More
    • phenomenon

      US /fɪˈnɑməˌnɑn, -nən/

      UK /fə'nɒmɪnən/

      • Noun (Countable/Uncountable)
      • Unusual event, fact that can be studied
      • Interesting or unusual person, group
      B1
      More
    • potassium

      US /pəˈtæsiəm/

      UK /pəˈtæsiəm/

      • Uncountable Noun
      • A common, soft, silvery white metal with many uses
      • Potassium as a nutrient found in food.
      B2
      More
    • potentially

      US /pəˈtɛnʃəlɪ/

      UK /pə'tenʃəlɪ/

      • Adverb
      • That could happen or become reality
      B1
      More
    • rack up

      US /ræk ʌp/

      UK /ræk ʌp/

      • Phrasal Verb
      • To accumulate or amass something, typically debts or points.
      More
    • radiation

      US /ˌrediˈeʃən/

      UK /ˌreɪdiˈeɪʃn/

      • Noun (Countable/Uncountable)
      • Energy transmitted as rays, waves or particles
      • Harmful waves of energy from nuclear activity
      B1
      More
    • radioactive

      US /ˌredioˈæktɪv/

      UK /ˌreɪdɪəʊ'æktɪv/

      • Adjective
      • Emitting harmful energy from nuclear activity
      B2
      More
    • radon

      US

      UK

      • Uncountable Noun
      • Radioactive gas coming naturally from the ground
      C1
      More
    • randomly

      US /'rændəmlɪ/

      UK /'rændəmlɪ/

      • Adverb
      • With no pattern or clear purpose; by chance
      B1TOEIC
      More
    • rare

      US /rɛr/

      UK /reə(r)/

      • Adjective
      • (Of meat) cooked, but still red and juicy
      • Unusual or out of the ordinary; not common
      A2
      More
    • repel

      US /rɪˈpɛl/

      UK /rɪ'pel/

      • Transitive Verb
      • To make or force someone or something go away
      • To cause someone to feel disgust.
      B2TOEIC
      More
    • scale up

      US //skeɪl ʌp//

      UK

      • Phrasal Verb
      • To increase in size, number, or extent.
      A1
      More
    • scientific

      US /ˌsaɪənˈtɪfɪk/

      UK /ˌsaɪənˈtɪfɪk/

      • Adjective
      • Concerning academic study of the physical world
      • Systematic and precise, following a methodology.
      • Noun
      • Relating to or used in science.
      A2
      More
    • spectrum

      US /ˈspɛktrəm/

      UK /'spektrəm/

      • Noun
      • The wavelengths of colors from red to violet
      • a range of different positions, opinions, etc. between two extreme points
      B1
      More
    • trace

      US /tres/

      UK /treɪs/

      • Transitive Verb
      • To make an outline to determine a shape
      • To find someone or something that has disappeared
      • Uncountable Noun
      • Very small quantity of something
      • A mark or other sign of the former presence or passage of something.
      B1
      More
    • trigger

      US /ˈtrɪɡɚ/

      UK /'trɪɡə(r)/

      • Noun
      • Lever on a gun that you pull to fire
      • Device that starts a process
      • Transitive Verb
      • To start a process off e.g. a memory
      • To cause something to begin or happen.
      B1
      More
    • ultraviolet

      US /ˌʌltrəˈvaɪəlɪt/

      UK /ˌʌltrə'vaɪələt/

      • Adjective
      • Concerning light waves that are extremely short
      • Uncountable Noun
      • Ultraviolet radiation.
      B2
      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
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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
    #TED-Ed#radiation#ionizing#ionizing radiation#nuclear#electromagnetic radiation

    【TED-Ed】Is radiation dangerous? - Matt Anticole

    0
    黃于珍 posted on 2023/05/20
    Ever wondered if radiation is as scary as it sounds? This video breaks down the science behind radiation, from the electromagnetic spectrum to the "banana equivalent dose," helping you bust common myths. You'll pick up tons of useful vocabulary and learn practical ways to understand radiation in your daily life!

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