Vocabulary

  • back up: To save a copy of your computer data
  • up there: In or to a higher place or position; far away.
  • start in: To begin a job or activity.
  • break down: To forcibly break, destroy or make collapse
  • close up: A photograph or film shot taken of a subject at close range.
  • closer than: Nearer in distance compared to something else.
  • going on: To continue doing something
  • based on: To use something as the foundation or starting point for something else.
  • outside of: Located or situated beyond the boundaries or confines of something.
  • set up
  • work out
  • go on: To continue doing something
  • at least: As a minimum
  • under control: Being managed or restrained; not out of hand.
  • after all: In spite of what was expected; used to introduce a statement that supports a previous statement or explains why it was made
  • know about: To have information or understanding of a subject or situation.
  • bounce back: To return quickly to a normal condition after a difficult situation or illness.
  • tend: To move or act in a certain manner
  • severe: Very bad; harsh
  • force: Group of persons trained for military action; army
  • strain: To remove the water from (food) using a colander
  • stress: To emphasize one or more parts of a word, sentence
  • research: To study in order to discover new ideas and facts
  • measure: Plan to achieve a desired result
  • pressure: Anxiety caused by difficult problems
  • precise: (Of language details etc.) Very accurate and exact
  • concrete: Hard building material made of cement, sand, water
  • initial: First letter of your given name
  • fuel: To give power to (a mob, anger, etc.); incite
  • realistic: Looks or appears real; like things really are
  • predict: To guess or estimate what will or might happen
  • pitch: To suggest a product, idea to make someone buy
  • resist: To not be affected by e.g. a force or an effect
  • blast: To attack someone with words
  • sensitive: Taking offense easily; easily upset or hurt
  • prospect: Opportunity or chance for success
  • surface: To give (road) a top layer
  • acquisition: Process of acquiring; thing that is acquired
  • require: To demand that someone does something
  • oxygen: A gas in the air that we need to breathe
  • bounce: A person's energy or confidence
  • mitigate: To make less severe or serious
  • gauge: A tool used to measure things
  • shield: A family's coat of arms or insignia
  • hit: To have a negative impact on a person/place/thing
  • ongoing: Continuing to exist or be in progress
  • build: Your physical shape; physique
  • catch: Amount of something that has been caught
  • worldwide: Spanning or extending throughout the entire world
  • laboratory: A place to do scientific experiments
  • set: Prepared for something; ready
  • simulate: To copy something or look or behave like it
  • rig: To dishonestly fix the result of elections, games
  • bleak: Desolate and colorless; without much hope
  • explosion: Loud and sudden expression of emotion
  • start: First time or place that a thing exists; beginning
  • mount: To attach something to something else
  • diameter: Distance across the center of an object
  • luggage: Suitcases and bags
  • work: The product of some artistic or literary endeavor
  • vibrate: To shake side to side quickly in small movements
  • close: Almost; near
  • ball: Large dance where people dress formally
  • secondary: Being of less importance than something else
  • face: To cover a surface with something like paint
  • physicist: Person who studies and works in physics
  • ring: A roped area in which people fight or box
  • look: Person's beauty or physical attractiveness
  • cheap: Not costing a lot of money
  • propagate: To make an idea known by many people
  • munition: Military weapons such as guns, bullets, and bombs
  • mace: Aerosol sprayed in the face to ward off attackers
  • fireball: Ball of fire (such as the sun)
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  • not found vocabularyNo vocabulary matches your filters
    • acquisition

      US /ˌækwɪˈzɪʃən/

      UK /ˌækwɪˈzɪʃn/

      • Noun (Countable/Uncountable)
      • Process of acquiring; thing that is acquired
      • A company or asset bought by another company.
      B1TOEIC
      More
    • after all

      US /ˈæftɚ ɔl/

      UK /ˈɑ:ftə ɔ:l/

      • Adverb
      • In spite of what was expected; used to introduce a statement that supports a previous statement or explains why it was made
      • Considering everything; used to indicate that something is happening or is true despite some difficulty or obstacle
      • Phrase
      • Despite what was expected or thought; in spite of everything.
      • Taking everything into consideration; considering that.
      B1
      More
    • at least

      US /æt list/

      UK /æt li:st/

      • Adverb
      • As a minimum
      • Not less than
      • Phrase
      • No less than; at the minimum
      • Used to indicate that something is positive in a bad situation.
      C2
      More
    • back up

      US /bæk ʌp/

      UK /bæk ʌp/

      • Phrasal Verb
      • To save a copy of your computer data
      • To confirm the truth of what someone says
      A1
      More
    • based on

      US

      UK

      • Phrasal Verb
      • To use something as the foundation or starting point for something else.
      • Preposition
      • Using something as the main idea or foundation.
      • Relying on something as evidence or justification.
      A1
      More
    • blast

      US /blæst/

      UK /blɑ:st/

      • Transitive Verb
      • To attack someone with words
      • To destroy something with explosives
      • Noun (Countable/Uncountable)
      • Destructive wave of air from an explosion
      • Strong current of wind
      B1
      More
    • bleak

      US /blik/

      UK /bli:k/

      • Adjective
      • Desolate and colorless; without much hope
      B1
      More
    • bounce

      US /baʊns/

      UK /baʊns/

      • Uncountable Noun
      • A person's energy or confidence
      • Quality causing a person's hair to appear healthy
      • Intransitive Verb
      • To move around energetically, playfully
      • (Of check) to be rejected due to inadequate funds
      B1
      More
    • bounce back

      US /baʊns bæk/

      UK /bauns bæk/

      • Phrasal Verb
      • To return quickly to a normal condition after a difficult situation or illness.
      B2
      More
    • break down

      US /brek daʊn/

      UK /breik daun/

      • Phrasal Verb
      • To forcibly break, destroy or make collapse
      • (Machine) to stop working or become weaker
      A1
      More
    • close up

      US /kloz ʌp/

      UK /kləuz ʌp/

      • Countable Noun
      • A photograph or film shot taken of a subject at close range.
      • Adverb
      • To move nearer to someone or something.
      A1
      More
    • closer than

      US

      UK

      • Phrase
      • Nearer in distance compared to something else.
      • Having a stronger emotional bond compared to someone else.
      A1
      More
    • concrete

      US /kɑnˈkrit, kɑŋ-, ˈkɑnˌkrit, ˈkɑŋ-/

      UK /'kɒŋkri:t/

      • Uncountable Noun
      • Hard building material made of cement, sand, water
      • Transitive Verb
      • To cover or make with a hard grey building material
      • To lay or cover with concrete.
      B1
      More
    • diameter

      US /daɪˈæmɪtɚ/

      UK /daɪˈæmɪtə(r)/

      • Noun
      • Distance across the center of an object
      B1
      More
    • explosion

      US /ɪkˈsploʒən/

      UK /ɪkˈspləʊʒn/

      • Noun (Countable/Uncountable)
      • Loud and sudden expression of emotion
      • Sudden increase of something
      B1
      More
    • fireball

      US /ˈfaɪrˌbɔl/

      UK /ˈfaɪəbɔ:l/

      • Noun
      • Ball of fire (such as the sun)
      C2
      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
    • gauge

      US /ɡedʒ/

      UK /ɡeɪdʒ/

      • Countable Noun
      • A tool used to measure things
      • The distance between the rails of a railway track.
      • Transitive Verb
      • To measure or make a judgment about something
      • To assess or estimate (a situation or person's feelings).
      B2TOEIC
      More
    • go on

      US /ɡo ɑn/

      UK /ɡəu ɔn/

      • Phrasal Verb
      • To continue doing something
      • To happen (usually negative)
      • Interjection
      • Used to encourage someone
      A1
      More
    • going on

      US /ˈɡoɪŋ ɑn/

      UK /ˈgəʊɪŋ ɔn/

      • Phrasal Verb
      • To continue doing something
      • To happen (usually negative)
      A1
      More
    • initial

      US /ɪˈnɪʃəl/

      UK /ɪ'nɪʃl/

      • Noun
      • First letter of your given name
      • The beginning or commencement of something.
      • Transitive Verb
      • To authorize something by writing your initials
      • To mark or sign with one's initials.
      A2TOEIC
      More
    • know about

      US /noʊ əˈbaʊt/

      UK /nəʊ əˈbaut/

      • Phrasal Verb
      • To have information or understanding of a subject or situation.
      More
    • laboratory

      US /ˈlæbrəˌtɔri, -ˌtori/

      UK /lə'bɒrətrɪ/

      • Noun (Countable/Uncountable)
      • A place to do scientific experiments
      • A place where tests are done for medical diagnosis.
      B1
      More
    • luggage

      US /ˈlʌɡɪdʒ/

      UK /ˈlʌgɪdʒ/

      • Uncountable Noun
      • Suitcases and bags
      • The contents of suitcases or bags packed for travel.
      B1TOEIC
      More
    • mace

      US /mes/

      UK /meɪs/

      • Noun
      • Aerosol sprayed in the face to ward off attackers
      B2
      More
    • mitigate

      US /ˈmɪtˌɪɡet/

      UK /'mɪtɪɡeɪt/

      • Transitive Verb
      • To make less severe or serious
      B2TOEIC
      More
    • mount

      US /maʊnt/

      UK /maʊnt/

      • Transitive Verb
      • To attach something to something else
      • To set a picture, jewel etc. in
      • Noun
      • An attachment used to keep something in place
      • Horse that someone is riding
      B2
      More
    • munition

      US /mjuˈnɪʃən/

      UK /mju:'nɪʃn/

      • Noun (Countable/Uncountable)
      • Military weapons such as guns, bullets, and bombs
      • Transitive Verb
      • To supply with munitions.
      C2
      More
    • ongoing

      US /ˈɑ:ngoʊɪŋ/

      UK /ˈɒngəʊɪŋ/

      • Adjective
      • Continuing to exist or be in progress
      • Noun (Countable/Uncountable)
      • A situation or process that is currently taking place or is in progress.
      • A problem or difficulty that continues to exist or happen.
      B1
      More
    • outside of

      US /aʊtˈsaɪd ʌv/

      UK /ˌautˈsaid ɔv/

      • Preposition
      • Located or situated beyond the boundaries or confines of something.
      • Beyond the scope, range, or limits of something.
      A1
      More
    • oxygen

      US /ˈɑksɪdʒən/

      UK /'ɒksɪdʒən/

      • Uncountable Noun
      • A gas in the air that we need to breathe
      • Oxygen administered as a medical treatment.
      B1
      More
    • physicist

      US /ˈfɪzɪsɪst/

      UK /ˈfɪzɪsɪst/

      • Noun
      • Person who studies and works in physics
      B2
      More
    • pitch

      US /pɪtʃ/

      UK /pɪtʃ/

      • Transitive Verb
      • To suggest a product, idea to make someone buy
      • To throw a baseball to a batter
      • Noun
      • Act of throwing a baseball for someone to hit
      • Playing fields in sports, e.g. for soccer
      B1TOEIC
      More
    • precise

      US /prɪˈsaɪs/

      UK /prɪ'saɪs/

      • Adjective
      • (Of language details etc.) Very accurate and exact
      • (Of a time, place, quality) exact
      A2TOEIC
      More
    • predict

      US /prɪˈdɪkt/

      UK /prɪ'dɪkt/

      • Transitive Verb
      • To guess or estimate what will or might happen
      A2TOEIC
      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
    • propagate

      US /ˈprɑpəˌɡet/

      UK /'prɒpəɡeɪt/

      • Verb (Transitive/Intransitive)
      • To make an idea known by many people
      • To make new plants from parts of another one
      B2
      More
    • prospect

      US /ˈprɑsˌpɛkt/

      UK /'prɒspekt/

      • Noun
      • Opportunity or chance for success
      • Person who is considered for a particular position
      • Transitive Verb
      • To search for minerals such as gold or diamonds
      • To consider or explore something; examine.
      A2TOEIC
      More
    • realistic

      US /ˌriəˈlɪstɪk/

      UK /ˌri:əˈlɪstɪk/

      • Adjective
      • Looks or appears real; like things really are
      • Having or showing a practical awareness of things as they are
      A2
      More
    • require

      US /rɪˈkwaɪr/

      UK /rɪ'kwaɪə(r)/

      • Transitive Verb
      • To demand that someone does something
      • To need to do something, to make it necessary
      A2TOEIC
      More
    • research

      US /rɪˈsɚtʃ, ˈriˌsɚtʃ/

      UK /rɪ'sɜ:tʃ/

      • Verb (Transitive/Intransitive)
      • To study in order to discover new ideas and facts
      • To study the market relating to marketing products and services.
      • Noun (Countable/Uncountable)
      • Study done to discover new ideas and facts
      • A particular area or topic of study.
      A2TOEIC
      More
    • resist

      US /rɪˈzɪst/

      UK /rɪ'zɪst/

      • Verb (Transitive/Intransitive)
      • To not be affected by e.g. a force or an effect
      • To fight or prevent something from happening
      A2TOEIC
      More
    • rig

      US /rɪɡ/

      UK /rɪɡ/

      • Transitive Verb
      • To dishonestly fix the result of elections, games
      • To fit out a ship with ropes and sails
      • Noun
      • Shape and number of sails on a ship
      • Structure that draws out oil from under the ground
      B2
      More
    • sensitive

      US /ˈsɛnsɪtɪv/

      UK /'sensətɪv/

      • Adjective
      • Taking offense easily; easily upset or hurt
      • (Private information) needing careful treatment
      A2TOEIC
      More
    • set up

      US /sɛt ʌp/

      UK /set ʌp/

      • Phrasal Verb
      • To make arrangements for something; establish
      • Verb (Transitive/Intransitive)
      • To arrange or prepare something for use.
      • To start a business, organization, etc.
      A1
      More
    • severe

      US /səˈvɪr/

      UK /sɪ'vɪə(r)/

      • Adjective
      • Very bad; harsh
      • (Of clothes, etc.) plain; simple; not decorated
      A2TOEIC
      More
    • shield

      US /ʃild/

      UK /ʃi:ld/

      • Noun
      • A family's coat of arms or insignia
      • Device used to protect from a harmful force
      • Transitive Verb
      • To cover (e.g. your face) so as to hide from
      • To cover from a dangerous or harmful force
      B1
      More
    • simulate

      US /ˈsɪmjəˌlet/

      UK /'sɪmjʊleɪt/

      • Transitive Verb
      • To copy something or look or behave like it
      B1TOEIC
      More
    • start in

      US /stɑrt ɪn/

      UK /stɑ:t in/

      • Phrasal Verb
      • To begin a job or activity.
      A1
      More
    • strain

      US /stren/

      UK /streɪn/

      • Transitive Verb
      • To remove the water from (food) using a colander
      • To injure a muscle, leg etc. by using it too much
      • Noun (Countable/Uncountable)
      • Injury to a muscle, leg etc. through overuse
      • Type or variation of a disease or bacillus
      B2
      More
    • stress

      US / strɛs/

      UK /stres/

      • Transitive Verb
      • To emphasize one or more parts of a word, sentence
      • To put pressure on something or someone
      • Noun (Countable/Uncountable)
      • Emphasis on part of a word or sentence
      • Pressure on something or someone
      A2TOEIC
      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
    • tend

      US /tɛnd/

      UK /tend/

      • Intransitive Verb
      • To move or act in a certain manner
      • Transitive Verb
      • To take care of
      A2
      More
    • under control

      US /ˈʌndɚ kənˈtrol/

      UK /ˈʌndə kənˈtrəul/

      • Adjective
      • Being managed or restrained; not out of hand.
      • Having one's emotions or impulses restrained.
      • Phrase
      • A situation that is being managed effectively.
      C1
      More
    • up there

      US /ʌp ðɛr/

      UK /ʌp ðɛə/

      • Adverb
      • In or to a higher place or position; far away.
      • In heaven.
      A1
      More
    • vibrate

      US /ˈvaɪˌbret/

      UK /vaɪˈbreɪt/

      • Intransitive Verb
      • To shake side to side quickly in small movements
      B2
      More
    • work out

      US /wɚk aʊt/

      UK /wə:k aut/

      • Phrasal Verb
      • To find a way to do something, by thinking
      A1
      More
    • worldwide

      US /ˈwɚldˈwaɪd/

      UK /ˈwɜ:ldwaɪd/

      • Adjective
      • Spanning or extending throughout the entire world
      • Adverb
      • Extending or reaching throughout the whole world.
      B1
      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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    B1
    #strain#explosion#bar#gauge#explosive#mace

    No-one knows how explosions work (yet)

    0
    林宜悉 posted on 2026/01/17
    Ever wondered what happens inside an explosion? This video dives deep into explosive testing using cool tech like high-speed cameras and the MACE rig, perfect for boosting your advanced vocabulary and understanding complex scientific concepts! You'll get a fascinating look at blast waves and how engineers work on safety applications.

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