Vocabulary

  • have to: Must do
  • as long as: For the period that; provided that.
  • in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
  • to the left: In or toward the left direction.
  • in principle: In theory; as a general idea, though not yet in practice or detail.
  • for example: As an illustration or instance.
  • result in: To cause or produce as a consequence.
  • by definition: Inherently; as an essential quality or characteristic.
  • passed by: Went past someone or something.
  • try out: To try to win a place on a team in a group
  • for free: Without charge; at no cost.
  • thanks to: Because of; as a result of.
  • perspective: Artistic method of creating a sense of distance
  • access: Way to enter a place, e.g. a station or stadium
  • concept: Abstract idea of something or how it works
  • determine: To control exactly how something will be or act
  • typically: In a normal or usual way
  • completely: In every way or as much as possible
  • force: Group of persons trained for military action; army
  • brilliant: Having a great amount of intelligence or talent
  • random: Chosen, done without a particular plan or pattern
  • combination: Series of letters or numbers needed to open a lock
  • curious: Wanting to know more about something
  • amount: Quantity of something
  • track: To use marks to follow a wild animal
  • bet: To gamble money to win more money, e.g. on horses
  • definition: Explanation of word's meaning, as in dictionaries
  • momentum: Speed or force that is gained when something moves
  • concern: To be about a particular topic
  • ignore: To not listen to, look at, or pay attention to
  • universe: All of space that contains planets and stars
  • path: Method of living leading to a particular result
  • direction: When someone tells people what to do
  • surface: To give (road) a top layer
  • simply: In an easy or clear manner
  • messy: Being complex or difficult to fix
  • premium: Having a higher than normal quality
  • principle: Moral rule or belief governing a person's behavior
  • identical: The same in every way
  • equation: Mathematical statement showing things to be equal
  • bounce: A person's energy or confidence
  • platform: Flat, raised structure that people stand on
  • collision: Act of crashing into someone or something else
  • secret: Kept hidden from others; Known only to a few people
  • velocity: Speed in a given direction
  • complicate: To make more difficult to do, understand or use
  • friction: Disagreement between two or more people
  • sign: Indication that something exists or will happen
  • sound: Sensible, dependable and reliable
  • learn: To get knowledge or skills by study or experience
  • fact: Something that is known or proved to be true
  • complexity: State of having many parts and not being simple
  • support: To give assistance or advice to someone
  • crash: To damage an object by causing it to hit something
  • dimension: Number of planes (X, Y, Z axes) an object has
  • conserve: To save or protect something
  • active: Moving around a lot or doing many things
  • sponsor: Person that supports the passage of a new law
  • quantum: The smallest unit or amount of energy
  • simplicity: Being easy to understand or use
  • infinity: State of being without end; endless time, space
  • fast: In a way that is difficult to move or change
  • understand: To know the meaning of language, what someone says
  • perpendicular: Being at right angles to a given line or plane
  • lose: To be unable to keep in check or control something
  • kinetic: Of or relating to movement
  • incoming: Coming toward a place or position; arriving
  • rotational: Concerning rotation
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  • not found vocabularyNo vocabulary matches your filters
    • access

      US /ˈæksɛs/

      UK /'ækses/

      • Noun (Countable/Uncountable)
      • Way to enter a place, e.g. a station or stadium
      • The opportunity or right to use something or to see someone.
      • Transitive Verb
      • To be able to use or have permission to use
      A2TOEIC
      More
    • as long as

      US /æz lɔŋ æz/

      UK /æz lɔŋ æz/

      • Conjunction
      • For the period that; provided that.
      • For the length of time that
      • Preposition
      • On the condition that; providing that.
      • Having the same length as.
      A1
      More
    • bet

      US /bet/

      UK /bet/

      • Verb (Transitive/Intransitive)
      • To gamble money to win more money, e.g. on horses
      • Used to express certainty or confidence
      • Countable Noun
      • Act of gambling money on the result of a race etc.
      A2
      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
    • brilliant

      US /ˈbrɪljənt/

      UK /'brɪlɪənt/

      • Adjective
      • Having a great amount of intelligence or talent
      • Being very bright, like a diamond; shining
      • Noun
      • A diamond or other gem cut in a particular form with many facets to have exceptional brilliance.
      A2
      More
    • by definition

      US /baɪ ˌdɛfəˈnɪʃən/

      UK /bai ˌdefiˈniʃən/

      • Phrase
      • Inherently; as an essential quality or characteristic.
      B2
      More
    • collision

      US /kəˈlɪʒən/

      UK /kəˈlɪʒn/

      • Noun
      • Act of crashing into someone or something else
      • A clash of opposing ideas or interests.
      B2
      More
    • combination

      US /ˌkɑmbəˈneʃən/

      UK /ˌkɒmbɪ'neɪʃn/

      • Noun
      • Series of letters or numbers needed to open a lock
      • Act or result of mixing things together
      B1
      More
    • complexity

      US /kəmˈplɛksɪti/

      UK /kəm'pleksətɪ/

      • Uncountable Noun
      • State of having many parts and not being simple
      • A factor or element that makes something complicated.
      B1
      More
    • complicate

      US /ˈkɑ:mplɪkeɪt/

      UK /ˈkɒmplɪkeɪt/

      • Transitive Verb
      • To make more difficult to do, understand or use
      B1
      More
    • concept

      US /ˈkɑnˌsɛpt/

      UK /'kɒnsept/

      • Noun (Countable/Uncountable)
      • Abstract idea of something or how it works
      • A plan or intention; a conception.
      A2TOEIC
      More
    • concern

      US /kənˈsɚn/

      UK /kənˈsɜ:n/

      • Verb (Transitive/Intransitive)
      • To be about a particular topic
      • To have a direct impact on someone
      • Noun (Countable/Uncountable)
      • Company, firm or business
      • Feeling of worry or anxiety
      A2TOEIC
      More
    • conserve

      US /kənˈsɜ:rv/

      UK /kənˈsɜ:v/

      • Transitive Verb
      • To save or protect something
      • To keep or put in reserve
      • Uncountable Noun
      • The act of conserving something, especially a natural resource.
      B1
      More
    • curious

      US /ˈkjʊriəs/

      UK /ˈkjʊəriəs/

      • Adjective
      • Wanting to know more about something
      • Attracting interest by being strange or unusual
      A2
      More
    • definition

      US /ˌdɛfəˈnɪʃən/

      UK /ˌdefɪˈnɪʃn/

      • Noun (Countable/Uncountable)
      • Explanation of word's meaning, as in dictionaries
      • The sharpness of an image on a screen
      A2TOEIC
      More
    • determine

      US /dɪˈtɚmɪn/

      UK /dɪ'tɜ:mɪn/

      • Transitive Verb
      • To control exactly how something will be or act
      • To establish the facts about; discover
      A2TOEIC
      More
    • dimension

      US /dɪˈmɛnʃən, daɪ-/

      UK /daɪˈmenʃn/

      • Noun (Countable/Uncountable)
      • Number of planes (X, Y, Z axes) an object has
      • Measurement in space, e.g. length or diameter
      B1
      More
    • direction

      US /dɪˈrɛkʃən, daɪ-/

      UK /də'rekʃn/

      • Noun (Countable/Uncountable)
      • When someone tells people what to do
      • Describes the way you are going, e.g. North
      A2TOEIC
      More
    • equation

      US /ɪˈkweʒən, -ʃən/

      UK /ɪˈkweɪʒn/

      • Noun (Countable/Uncountable)
      • Mathematical statement showing things to be equal
      • Complex set of different facts, ideas or issues
      B1
      More
    • for example

      US

      UK

      • Phrase
      • As an illustration or instance.
      More
    • for free

      US /fɔr fri/

      UK /fɔ: fri:/

      • Phrase
      • Without charge; at no cost.
      • Adjective
      • Available without payment.
      A2
      More
    • friction

      US /ˈfrɪkʃən/

      UK /ˈfrɪkʃn/

      • Uncountable Noun
      • Disagreement between two or more people
      • Force preventing motion between bodies in contact
      B2
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • identical

      US /aɪˈdɛntɪkəl/

      UK /aɪˈdentɪkl/

      • Adjective
      • The same in every way
      • Satisfied by all values of the variables involved.
      B1
      More
    • ignore

      US /ɪɡˈnɔr, -ˈnor/

      UK /ɪɡ'nɔ:(r)/

      • Transitive Verb
      • To not listen to, look at, or pay attention to
      A2TOEIC
      More
    • in fact

      US /ɪn fækt/

      UK /in fækt/

      • Adverb
      • Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
      • Used to introduce a more detailed or surprising piece of information.
      • Phrase
      • Used to emphasize the truth of a statement, especially one that is surprising or contrary to what might be expected.
      C1
      More
    • in principle

      US /ɪn ˈprɪnsəpəl/

      UK /in ˈprinsəpl/

      • Phrase
      • In theory; as a general idea, though not yet in practice or detail.
      C1
      More
    • incoming

      US /ˈɪnˌkʌmɪŋ/

      UK /ˈɪnkʌmɪŋ/

      • Adjective
      • Coming toward a place or position; arriving
      • Newly elected or appointed; succeeding to a position.
      • Uncountable Noun
      • Money or revenue received.
      C1
      More
    • infinity

      US /ɪnˈfɪnɪti/

      UK /ɪn'fɪnətɪ/

      • Uncountable Noun
      • State of being without end; endless time, space
      B2
      More
    • kinetic

      US /kɪˈnɛtɪk, kaɪ-/

      UK /kɪˈnetɪk/

      • Adjective
      • Of or relating to movement
      C1
      More
    • messy

      US /ˈmɛsi/

      UK /'mesɪ/

      • Adjective
      • Being complex or difficult to fix
      • Being untidy or dirty
      A2
      More
    • momentum

      US /moˈmɛntəm/

      UK /mə'mentəm/

      • Uncountable Noun
      • Speed or force that is gained when something moves
      B2TOEIC
      More
    • passed by

      US

      UK

      • Phrasal Verb
      • Went past someone or something.
      • Elasped; time went by.
      C2
      More
    • path

      US /pæθ, pɑθ/

      UK /pɑ:θ/

      • Noun
      • Method of living leading to a particular result
      • Track made with stones, by walking over the ground
      A2TOEIC
      More
    • perpendicular

      US /ˌpə:pənˈdɪkjəlɚ/

      UK /ˌpɜ:pənˈdɪkjələ(r)/

      • Adjective
      • Being at right angles to a given line or plane
      • In a straight up and down direction; vertical.
      • Noun
      • A line at right angles to a given line, plane, or surface.
      C1
      More
    • perspective

      US /pɚˈspɛktɪv/

      UK /pə'spektɪv/

      • Noun (Countable/Uncountable)
      • Artistic method of creating a sense of distance
      • Ability to understand what is important in life
      B1TOEIC
      More
    • platform

      US /ˈplætˌfɔrm/

      UK /'plætfɔ:m/

      • Noun (Countable/Uncountable)
      • Flat, raised structure that people stand on
      • Area from which you board a train at a station
      B1
      More
    • premium

      US /ˈprimiəm/

      UK /ˈpri:miəm/

      • Adjective
      • Having a higher than normal quality
      • Relating to or denoting a higher quality or more expensive product.
      • Noun
      • Money paid as a fee for insurance
      • An additional sum of money paid above the usual price.
      B1TOEIC
      More
    • principle

      US /ˈprɪnsəpəl/

      UK /ˈprɪnsəpl/

      • Noun (Countable/Uncountable)
      • Moral rule or belief governing a person's behavior
      • Natural law that explains how things work
      A2TOEIC
      More
    • quantum

      US /ˈkwɑ:ntəm/

      UK /ˈkwɒntəm/

      • Noun (Countable/Uncountable)
      • The smallest unit or amount of energy
      B2
      More
    • random

      US /ˈrændəm/

      UK /'rændəm/

      • Adjective
      • Chosen, done without a particular plan or pattern
      B1
      More
    • result in

      US /rɪˈzʌlt ɪn/

      UK /riˈzʌlt in/

      • Phrasal Verb
      • To cause or produce as a consequence.
      More
    • rotational

      US /roʊ'teɪʃənl/

      UK /rəʊ'teɪʃənl/

      • Adjective
      • Concerning rotation
      B2
      More
    • simplicity

      US /sɪmˈplɪsɪti/

      UK /sɪm'plɪsətɪ/

      • Uncountable Noun
      • Being easy to understand or use
      C1
      More
    • sponsor

      US /ˈspɑ:nsə(r)/

      UK /ˈspɒnsə(r)/

      • Noun
      • Person that supports the passage of a new law
      • Person giving money for someone's education
      • Transitive Verb
      • To support the passage of a new law
      • To help someone succeed by giving them money
      B1TOEIC
      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
    • thanks to

      US /θæŋks tu/

      UK /θæŋks tu:/

      • Preposition
      • Because of; as a result of.
      A1
      More
    • to the left

      US

      UK

      • Phrase
      • In or toward the left direction.
      • Situated on the left side of.
      More
    • track

      US /træk/

      UK /træk/

      • Transitive Verb
      • To use marks to follow a wild animal
      • To move a certain way/follow a particular course
      • Noun
      • A circular course for running
      • Course or way someone takes, e.g. in education
      A2TOEIC
      More
    • try out

      US /traɪ aʊt/

      UK /trai aut/

      • Phrasal Verb
      • To try to win a place on a team in a group
      • To test briefly to determine how well it works
      A1
      More
    • typically

      US /ˈtɪpɪklɪ/

      UK /ˈtɪpɪkli/

      • Adverb
      • In a normal or usual way
      B1
      More
    • universe

      US /ˈjunəˌvɚs/

      UK /ˈju:nɪvɜ:s/

      • Noun (Countable/Uncountable)
      • All of space that contains planets and stars
      • Things surrounding a person, affecting their life
      B2
      More
    • velocity

      US /vəˈlɑsɪti/

      UK /və'lɒsətɪ/

      • Noun (Countable/Uncountable)
      • Speed in a given direction
      • The rate of change of an object's position with respect to time; a vector quantity.
      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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    B2
    #collision#conservation#energy#direction#brilliant#outcome

    Most Collisions Are Secretly in One Dimension

    0
    林宜悉 posted on 2026/04/04
    Ever wonder why collisions seem so chaotic, yet physicists say they're predictable? This video dives into the surprising simplicity behind collisions, revealing how they're often secretly one-dimensional! You'll pick up key physics concepts and see how they apply to the real world.

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