Vocabulary

  • after all: In spite of what was expected; used to introduce a statement that supports a previous statement or explains why it was made
  • in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
  • thanks to: Because of; as a result of.
  • in other words: Stating something in a different way, often to make it clearer or more understandable.
  • lead to: To result in some action
  • depending on: To rely on for support (financial or emotional)
  • run across: To meet someone or find something by chance
  • stretch out: To extend your body, especially by lying down and reaching with your arms and legs.
  • slide around: To avoid discussing a topic directly; to evade.
  • cracked it: To solve a problem or mystery.
  • going on: To continue doing something
  • see through: To realize the truth about
  • hit with: To strike someone or something using an object.
  • give off: To produce a smell or gas; emit
  • answer for: Be responsible for and explain one's actions.
  • to do with: To be about something; concern
  • phenomenon: Unusual event, fact that can be studied
  • stretch: To make your arm, leg muscles long to ease them
  • basically: Used before you explain something simply, clearly
  • force: Group of persons trained for military action; army
  • encounter: To come up against a problem or trouble; meet
  • attempt: To try to do something challenging or difficult
  • solid: Being able to be trusted; reliable
  • category: Groups of things that are similar in some way
  • silly: Careless
  • crack: Attempt to achieve a goal or objective
  • align: To arrange (e.g. objects) in line with one another
  • fluid: A material that can easily flow, e.g. water
  • dump: To end a romantic relationship
  • syrup: Sugary liquid e.g. used on pancakes
  • grasp: Person's control over something
  • trap: Device used for catching animals
  • extract: Essential ingredient of a natural thing
  • apply: To spread a substance or liquid over a surface
  • observe: To celebrate a particular holiday/religious event
  • visualize: To create a picture in your mind of something
  • grant: To admit an opinion is true but not fully agreeing
  • aid: To help others and provide things
  • pretty: Being attractive to the eye in a simple way
  • resistance: Force that stops or slows movement of something
  • contain: To keep something from spreading
  • rate: To assess something or consider its qualities
  • elastic: Able to return to original shape after stretching
  • ground: To break (coffee, etc.) into tiny bits with machine
  • dip: To decrease or lower temporarily
  • palm: Inner area of a person's hand
  • soil: Conditions in which something develops
  • solution: Mix of a liquid and a solid or a gas
  • scramble: To cause war planes to take off quickly
  • gooey: Soft and sticky
  • turbulence: Violent or unsteady movement of air or liquids
  • notice: To become aware by sight, touch, or hearing
  • medium: Method of expressing ideas or feelings
  • friction: Disagreement between two or more people
  • emit: To release or send out (a gas, etc.)
  • flow: To move steadily and easily in a certain direction
  • solve: To figure out a way to handle a difficult problem
  • tumble: To fall downwards, hitting the ground a few times
  • lick: To pass the tongue along something, e.g. ice cream
  • smack: To slap or hit, e.g. with a resounding noise
  • frantically: In a frenzied, wildly excited or worried way
  • change: To exchange one set of clothes for another
  • fast: In a way that is difficult to move or change
  • whack: To hit someone or something with great force
  • finally: used especially at the beginning of a sentence to introduce the last point or idea
  • understand: To know the meaning of language, what someone says
  • problem: Something difficult to deal with or causes trouble
  • ketchup: Thick red sauce made from tomatoes
  • light: To cause something to burn; put a burning match to
  • molecular: About or caused by molecules
  • give: Degree of flexibility in something, a material
  • porous: With many tiny holes so liquid, etc. passes through
  • add: To include as well
  • long: Person's name
  • tangle: To involve in troubles that are hard to escape
  • purify: To make pure by removing unwanted substances
  • wavelength: To have similar feelings
  • dribble: To move forward with a ball by small hits or kicks
  • setup: Way something is organized or arranged
  • viscosity: Quality of how thick, thin, and sticky a liquid is
  • quicksand: Pit of loose wet sand which sucks objects into it
  • putty: Soft substance for fixing glass in windows, etc.
  • tracer: Ammunition that can be tracked by a trail of smoke
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    • 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
    • aid

      US /ed/

      UK /eɪd/

      • Transitive Verb
      • To help others and provide things
      • Noun (Countable/Uncountable)
      • Action of giving help to others
      • Money or help given to those who need it
      A2TOEIC
      More
    • align

      US /əˈlaɪn/

      UK /əˈlaɪn/

      • Transitive Verb
      • To arrange (e.g. objects) in line with one another
      • Intransitive Verb
      • To be in a line or in the correct position in relation to something else.
      B2
      More
    • answer for

      US /ˈænsɚ fər/

      UK /ˈɑ:nsə fə/

      • other
      • Be responsible for and explain one's actions.
      C1
      More
    • attempt

      US /əˈtɛmpt/

      UK /ə'tempt/

      • Verb (Transitive/Intransitive)
      • To try to do something challenging or difficult
      • Noun
      • Effort made to try to do or accomplish something
      A2TOEIC
      More
    • basically

      US /ˈbesɪkəli,-kli/

      UK /ˈbeɪsɪkli/

      • Adverb
      • Used before you explain something simply, clearly
      • In essence; when you consider the most important aspects of something.
      A2
      More
    • category

      US /ˈkætɪˌɡɔri, -ˌɡori/

      UK /ˈkætəgəri/

      • Noun
      • Groups of things that are similar in some way
      B1
      More
    • contain

      US /kənˈten/

      UK /kənˈteɪn/

      • Transitive Verb
      • To keep something from spreading
      • To hold something inside something else
      A2
      More
    • crack

      US /kræk/

      UK /kræk/

      • Noun (Countable/Uncountable)
      • Attempt to achieve a goal or objective
      • Unexpected and hard hit to the body
      • Verb (Transitive/Intransitive)
      • To attempt to achieve a goal or objective
      • To hit someone or something hard and unexpectedly
      B1
      More
    • cracked it

      US

      UK

      • Phrasal Verb
      • To solve a problem or mystery.
      • To achieve success in a particular field or activity.
      More
    • depending on

      US

      UK

      • Phrasal Verb
      • To rely on for support (financial or emotional)
      • Influenced or determined by.
      • Preposition
      • Subject to; contingent on
      • Relying on someone or something for support or assistance.
      A2
      More
    • dip

      US /dɪp/

      UK /dɪp/

      • Intransitive Verb
      • To decrease or lower temporarily
      • Noun (Countable/Uncountable)
      • Food or sauce eaten with crackers/raw vegetables
      • Place on surface (e.g. a road) lower than the rest
      B1
      More
    • dribble

      US /ˈdrɪbəl/

      UK /'drɪbl/

      • Verb (Transitive/Intransitive)
      • To move forward with a ball by small hits or kicks
      • To fall or flow in small amounts
      • Uncountable Noun
      • Small flow of a liquid; a drop
      B2
      More
    • dump

      US /dʌmp/

      UK /dʌmp/

      • Transitive Verb
      • To end a romantic relationship
      • To put something somewhere without care
      • Noun
      • A place where waste or garbage is left.
      • A copy of data from one part of a computer system to another.
      B1
      More
    • elastic

      US /ɪˈlæstɪk/

      UK /ɪˈlæstɪk/

      • Adjective
      • Able to return to original shape after stretching
      • Uncountable Noun
      • Material that can stretch and return to shape
      B1
      More
    • emit

      US /ɪˈmɪt/

      UK /ɪ'mɪt/

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

      US /ɛnˈkaʊntɚ/

      UK /ɪn'kaʊntə(r)/

      • Verb (Transitive/Intransitive)
      • To come up against a problem or trouble; meet
      • To meet someone or something unexpectedly
      • Noun
      • A chance meeting; unexpected or unplanned meeting
      B1TOEIC
      More
    • extract

      US /ɪkˈstrækt/

      UK /'ekstrækt/

      • Noun (Countable/Uncountable)
      • Essential ingredient of a natural thing
      • Part taken from a longer written work
      • Transitive Verb
      • To get a substance out of a plant, etc.
      • To get a person to share secret information
      B1TOEIC
      More
    • flow

      US /flo/

      UK /fləʊ/

      • Intransitive Verb
      • To move steadily and easily in a certain direction
      • Uncountable Noun
      • Amount of something that moves through an area
      A2
      More
    • fluid

      US /ˈfluɪd/

      UK /'flu:ɪd/

      • Noun (Countable/Uncountable)
      • A material that can easily flow, e.g. water
      • Liquid that flows smoothly, such as water
      • Adjective
      • Able to move smoothly or gracefully
      • Liable to change; unstable.
      B2
      More
    • frantically

      US /ˈfræntɪklɪ/

      UK /'fræntɪklɪ/

      • Adverb
      • In a frenzied, wildly excited or worried way
      B2
      More
    • friction

      US /ˈfrɪkʃən/

      UK /ˈfrɪkʃn/

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

      US /ɡɪv ɔf/

      UK /ɡiv ɔf/

      • Phrasal Verb
      • To produce a smell or gas; emit
      A1
      More
    • going on

      US /ˈɡoɪŋ ɑn/

      UK /ˈgəʊɪŋ ɔn/

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

      US /ˈɡui/

      UK /ˈgu:i/

      • Adjective
      • Soft and sticky
      C1
      More
    • grant

      US /ɡrænt/

      UK /ɡrɑ:nt/

      • Transitive Verb
      • To admit an opinion is true but not fully agreeing
      • To give or let someone do what they want
      • Uncountable Noun
      • Money given for education or research
      A2TOEIC
      More
    • grasp

      US /ɡræsp/

      UK /ɡrɑ:sp/

      • Noun
      • Person's control over something
      • Act of holding something strongly in your hands
      • Transitive Verb
      • To hold something in your hand very tightly
      • To understand or make sense of a complex idea
      B1TOEIC
      More
    • hit with

      US

      UK

      • Phrasal Verb
      • To strike someone or something using an object.
      • To suddenly realize or understand something.
      A1
      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 other words

      US

      UK

      • Phrase
      • Stating something in a different way, often to make it clearer or more understandable.
      More
    • ketchup

      US /ˈkɛtʃəp, ˈkætʃ-/

      UK /ˈketʃəp/

      • Uncountable Noun
      • Thick red sauce made from tomatoes
      B2
      More
    • lead to

      US /lid tu/

      UK /li:d tu:/

      • Phrasal Verb
      • To result in some action
      • Verb (Transitive/Intransitive)
      • To have something as a consequence or result.
      A1
      More
    • lick

      US /lɪk/

      UK /lɪk/

      • Transitive Verb
      • To pass the tongue along something, e.g. ice cream
      • To defeat (someone) easily.
      • Intransitive Verb
      • (of flames) to flicker over or around (something).
      B1
      More
    • medium

      US /ˈmidiəm/

      UK /'mi:dɪəm/

      • Noun
      • Method of expressing ideas or feelings
      • Something available in a middle size or condition
      A2TOEIC
      More
    • molecular

      US /məˈlɛkjəlɚ/

      UK /mə'lekjələ(r)/

      • Adjective
      • About or caused by molecules
      B2
      More
    • observe

      US /əbˈzɜ:rv/

      UK /əbˈzɜ:v/

      • Verb (Transitive/Intransitive)
      • To celebrate a particular holiday/religious event
      • To obey or follow laws, rules, or customs
      A2TOEIC
      More
    • palm

      US /pɑ:m/

      UK /pɑ:m/

      • Noun (Countable/Uncountable)
      • Inner area of a person's hand
      • Tropical tree with large leaves only at its top
      • Transitive Verb
      • To hide something in your hand
      • To push someone way with your hand
      B1
      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
    • porous

      US /ˈpɔrəs, ˈpor-/

      UK /ˈpɔ:rəs/

      • Adjective
      • With many tiny holes so liquid, etc. passes through
      • (Of borders) easy for people to pass through
      C1
      More
    • purify

      US /ˈpjʊrɪfaɪ/

      UK /ˈpjʊərɪfaɪ/

      • Transitive Verb
      • To make pure by removing unwanted substances
      • To make someone feel pure by removing guilt
      B2
      More
    • putty

      US /ˈpʌti/

      UK /'pʌtɪ/

      • Uncountable Noun
      • Soft substance for fixing glass in windows, etc.
      C1
      More
    • quicksand

      US /ˈkwɪkˌsænd/

      UK /ˈkwɪksænd/

      • Uncountable Noun
      • Pit of loose wet sand which sucks objects into it
      C2
      More
    • resistance

      US /rɪˈzɪstəns/

      UK /rɪ'zɪstəns/

      • Noun (Countable/Uncountable)
      • Force that stops or slows movement of something
      • Refusal to accept something new or different
      A2TOEIC
      More
    • run across

      US /rʌn əˈkrɔs/

      UK /rʌn əˈkrɔs/

      • Phrasal Verb
      • To meet someone or find something by chance
      A1
      More
    • scramble

      US /ˈskræmbəl/

      UK /ˈskræmbl/

      • Intransitive Verb
      • To cause war planes to take off quickly
      • Transitive Verb
      • To mix up
      B2TOEIC
      More
    • see through

      US /si θru/

      UK /si: θru:/

      • Phrasal Verb
      • To realize the truth about
      • To continue doing something until it is finished, especially something difficult or unpleasant.
      A1
      More
    • setup

      US /ˈsɛtˌʌp/

      UK /'setʌp/

      • Noun
      • Way something is organized or arranged
      B2TOEIC
      More
    • silly

      US /ˈsɪli/

      UK /'sɪlɪ/

      • Adjective
      • Careless
      • Acting funny or playfully
      A2
      More
    • slide around

      US

      UK

      • Phrasal Verb
      • To avoid discussing a topic directly; to evade.
      • To move loosely or unsteadily; to slip.
      B2
      More
    • smack

      US /smæk/

      UK /smæk/

      • Transitive Verb
      • To slap or hit, e.g. with a resounding noise
      B2
      More
    • soil

      US /sɔɪl/

      UK /sɔɪl/

      • Uncountable Noun
      • Conditions in which something develops
      • Mix of natural material in which plants grow
      • Transitive Verb
      • To get or become dirty
      B1
      More
    • solid

      US /ˈsɑlɪd/

      UK /'sɒlɪd/

      • Adjective
      • Being able to be trusted; reliable
      • Substance that is hard or of fixed shape
      • Noun
      • Something firm or hard; not gas or liquid
      A2
      More
    • solution

      US /səˈluʃən/

      UK /səˈlu:ʃn/

      • Noun (Countable/Uncountable)
      • Mix of a liquid and a solid or a gas
      • Way to solve or deal with a problem
      A2
      More
    • solve

      US /sɑ:lv/

      UK /sɒlv/

      • Transitive Verb
      • To figure out a way to handle a difficult problem
      A2TOEIC
      More
    • stretch

      US /strɛtʃ/

      UK /stretʃ/

      • Verb (Transitive/Intransitive)
      • To make your arm, leg muscles long to ease them
      • To make something bigger by pulling on it
      • Noun
      • Making arm, leg muscles longer to ease them
      • A consecutive row of things
      A2TOEIC
      More
    • stretch out

      US /strɛtʃ aʊt/

      UK /stretʃ aut/

      • Phrasal Verb
      • To extend your body, especially by lying down and reaching with your arms and legs.
      • To extend over a large area.
      B2
      More
    • syrup

      US /ˈsɪrəp, ˈsɚ-/

      UK /ˈsɪrəp/

      • Uncountable Noun
      • Sugary liquid e.g. used on pancakes
      B2
      More
    • tangle

      US /ˈtæŋɡəl/

      UK /ˈtæŋgl/

      • Transitive Verb
      • To involve in troubles that are hard to escape
      • Intransitive Verb
      • (Of string, etc.) to be knotted up and hard to undo
      B2
      More
    • thanks to

      US /θæŋks tu/

      UK /θæŋks tu:/

      • Preposition
      • Because of; as a result of.
      A1
      More
    • to do with

      US

      UK

      • Phrasal Verb
      • To be about something; concern
      A1
      More
    • tracer

      US /'treɪsər/

      UK /ˈtreɪsə(r)/

      • Noun
      • Ammunition that can be tracked by a trail of smoke
      C1
      More
    • trap

      US /træp/

      UK /træp/

      • Countable Noun
      • Device used for catching animals
      • Vehicle pulled by a single horse
      • Transitive Verb
      • To use a device to catch animals or people
      • To hold, e.g. a nerve, so that it cannot move
      A2
      More
    • tumble

      US /ˈtʌmbəl/

      UK /'tʌmbl/

      • Intransitive Verb
      • To fall downwards, hitting the ground a few times
      • To decrease rapidly and significantly.
      B1
      More
    • turbulence

      US /ˈtə:bjələns/

      UK /'tɜ:bjələns/

      • Noun (Countable/Uncountable)
      • Violent or unsteady movement of air or liquids
      • (Of times) instability and unpredictability
      B2TOEIC
      More
    • viscosity

      US /vɪˈskɑsɪti/

      UK /vɪ'skɒsətɪ/

      • Uncountable Noun
      • Quality of how thick, thin, and sticky a liquid is
      C1
      More
    • visualize

      US /ˈvɪʒuəˌlaɪz/

      UK /ˈvɪʒuəlaɪz/

      • Transitive Verb
      • To create a picture in your mind of something
      B1
      More
    • wavelength

      US /ˈwevˌlɛŋkθ, -ˌlɛŋθ/

      UK /'weɪvleŋθ/

      • Noun (Countable/Uncountable)
      • To have similar feelings
      • The size of a wave
      C1
      More
    • whack

      US /hwæk, wæk/

      UK /wæk/

      • Transitive Verb
      • To hit someone or something with great force
      • Noun
      • A very heavy hit making a loud sound
      B2
      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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    80
    B2
    #newtonian#viscosity#fluid#cornstarch#ketchup#flow

    Science Can’t Figure Out Why Some Liquids Flow

    0
    林宜悉 posted on 2026/04/01
    Ever wondered why some liquids act so strangely? This video dives into the fascinating world of non-Newtonian fluids, explaining concepts like shear thickening and thinning with cool laser visualizations! You'll pick up some awesome advanced vocabulary while learning about cutting-edge science.

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