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Vocabulary

  • of course: Sure ; Certainly
  • make for: To go to or toward something/someone for a reason
  • come back: To reply to someone, often forcefully
  • fit into: To be small enough to go inside something.
  • at a time: Separately; one by one
  • in use: Being used at the present time.
  • come onto: To approach someone with romantic intentions
  • in conjunction with: Together with; along with
  • in person: Physically present; not by proxy or remotely.
  • around the world: In or to many countries.
  • back then: At that time in the past.
  • found out: To learn or discover something, often after some effort.
  • figure out: To understand the behavior of someone
  • have to: Must do
  • grow up: To develop from a child into an adult
  • depending on: To rely on for support (financial or emotional)
  • vulnerable: Being open to attack or damage
  • physical: Health check at the doctors' or hospital
  • deliberately: In a careful, considered manner; on purpose
  • concept: Abstract idea of something or how it works
  • typically: In a normal or usual way
  • common: Area in a city or town that is open to everyone
  • capacity: Ability to hold, involve or contain (e.g. liquids)
  • expect: To believe something is probably going to happen
  • respiratory: (Medical) concerning breathing
  • straightforward: Easy to do or understand; not complicated
  • disease: Illness that affects a person, animal, or plant
  • amount: Quantity of something
  • research: To study in order to discover new ideas and facts
  • environment: Natural world in which plants and animals live
  • trial: Hearing and judgment of a case in court
  • viral: Of or caused by a virus
  • cope: To deal with something in spite of difficulties
  • contract: To become ill as a result of getting a disease
  • reverse: Setting that makes the vehicle go backward
  • quarantine: To isolate ill people to prevent disease spreading
  • function: Social event, or party such as a wedding
  • similar: Nearly the same; alike
  • compensate: To give (money) to as a form of correcting a loss
  • typical: Normal; usual; expected
  • vaccine: Shot using weak disease cells to stop same disease
  • challenge: An activity you wish to try that may be hard to do
  • involve: To have or be included as a part of something
  • scientific: Concerning academic study of the physical world
  • drop: Distance between a higher and a lower level
  • outcome: Something that happens as a result, consequence
  • couple: To join something to something else
  • risk: To do something potentially dangerous or foolish
  • clinical: Concerning the treatment or observing patients
  • tissue: Substance formed by cells of living thing; flesh
  • accelerate: To cause to occur earlier than expected
  • produce: Fresh foods such as fruits and vegetables
  • cure: Something that solves a problem or makes it better
  • leave: To go away from; depart
  • recruit: Person who has just joined the military
  • ethical: Morally right; following principles of goodness
  • receive: To get something someone has given or sent to you
  • placebo: Harmless pill for comparison in trial of new drug
  • channel: Long hole dug in the ground, e.g. to move water
  • offer: Price you say you are willing to pay for something
  • amplify: To increase the effect of something
  • volunteer: Working willingly without pay to help others
  • protect: To defend someone or something from harm or danger
  • dilute: To make something weaker or less efficient
  • virus: File secretly put on computers to cause harm
  • conjunction: Combination of things or events
  • minimum: Smallest degree or level that is acceptable
  • descend: To go down; to move from a higher to a lower place
  • pharmaceutical: Concerning the science of drugs and medicines
  • part: Division of a book
  • healthy: In good condition physically, or financially; well
  • swab: To wipe or clean with water or a mop
  • unit: One apartment in a building
  • flu: Illness causing headache, fever etc.
  • daunt: To make someone feel less courageous or confident
  • inoculate: To inject a disease to build up immunity to it
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  • not found vocabularyNo vocabulary matches your filters
    • accelerate

      US /ækˈsɛləˌret/

      UK /əkˈseləreɪt/

      • Transitive Verb
      • To cause to occur earlier than expected
      • To increase the speed or rate of something
      B1TOEIC
      More
    • amplify

      US /ˈæmpləˌfaɪ/

      UK /'æmplɪfaɪ/

      • Transitive Verb
      • To increase the effect of something
      • To add more details to a story or something said
      B2
      More
    • around the world

      US /əˈraʊnd ði wɜrld/

      UK /əˈraund ðə wɜː(r)ld/

      • Phrase
      • In or to many countries.
      • In various places throughout the world.
      A2
      More
    • at a time

      US /æt e taɪm/

      UK /æt ə taim/

      • Phrase
      • Separately; one by one
      • Simultaneously; together
      A1
      More
    • back then

      US

      UK

      • Phrase
      • At that time in the past.
      A1
      More
    • capacity

      US /kəˈpæsɪti/

      UK /kə'pæsətɪ/

      • Noun (Countable/Uncountable)
      • Ability to hold, involve or contain (e.g. liquids)
      • Largest amount of something that can be produced
      B1
      More
    • challenge

      US /ˈtʃæləndʒ/

      UK /'tʃælɪndʒ/

      • Noun (Countable/Uncountable)
      • An activity you wish to try that may be hard to do
      • Act of formally inviting someone to compete
      • Transitive Verb
      • To formally invite someone to compete at something
      • To question the correctness of something
      A2
      More
    • channel

      US /ˈtʃænəl/

      UK /'tʃænl/

      • Noun (Countable/Uncountable)
      • Long hole dug in the ground, e.g. to move water
      • TV or radio station or its programs
      • Transitive Verb
      • To dig a long hole for carrying water
      • To send (e.g. money) to a certain place or person
      B1
      More
    • clinical

      US /ˈklɪnɪkəl/

      UK /ˈklɪnɪkl/

      • Adjective
      • Concerning the treatment or observing patients
      • Using scientific techniques and precision
      B1
      More
    • come back

      US /kʌm bæk/

      UK /kʌm bæk/

      • Phrasal Verb
      • To reply to someone, often forcefully
      • To be remembered
      A1
      More
    • come onto

      US

      UK

      • Phrasal Verb
      • To approach someone with romantic intentions
      A1
      More
    • compensate

      US /ˈkɑ:mpenseɪt/

      UK /ˈkɒmpenseɪt/

      • Transitive Verb
      • To give (money) to as a form of correcting a loss
      • To reduce or counteract (something unwelcome or unpleasant); offset.
      A2
      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
    • conjunction

      US /kənˈdʒʌŋkʃən/

      UK /kənˈdʒʌŋkʃn/

      • Noun
      • Combination of things or events
      • Word that joins parts of a sentence, e.g. 'and'
      B1
      More
    • cope

      US /koʊp/

      UK /kəʊp/

      • Verb (Transitive/Intransitive)
      • To deal with something in spite of difficulties
      A2
      More
    • couple

      US /ˈkʌpəl/

      UK /'kʌpl/

      • Transitive Verb
      • To join something to something else
      • (Two animals) to engage in sexual relations
      • Noun (Countable/Uncountable)
      • Two people in a romantic relationship
      • Two of something; two people; a pair
      A2
      More
    • cure

      US /kjʊr/

      UK /kjʊə(r)/

      • Noun
      • Something that solves a problem or makes it better
      • Medical treatment making a sick person healthy
      • Transitive Verb
      • To fix or improve a problem
      • To make someone healthy or make a disease go away
      B1
      More
    • daunt

      US /dɔnt, dɑnt/

      UK /dɔ:nt/

      • Transitive Verb
      • To make someone feel less courageous or confident
      B2TOEIC
      More
    • deliberately

      US /dɪˈlɪbərɪtlɪ/

      UK /dɪˈlɪbərətli/

      • Adverb
      • In a careful, considered manner; on purpose
      • Purposely; on purpose
      B2TOEIC
      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
    • descend

      US /dɪˈsɛnd/

      UK /dɪˈsend/

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

      US /daɪˈlut, dɪ-/

      UK /daɪˈlu:t/

      • Transitive Verb
      • To make something weaker or less efficient
      B2
      More
    • disease

      US /dɪˈziz/

      UK /dɪˈzi:z/

      • Noun (Countable/Uncountable)
      • Illness that affects a person, animal, or plant
      • A disorder of structure or function in a plant, especially one caused by a pathogen.
      • Transitive Verb
      • To affect with disease; to corrupt or sicken.
      A2TOEIC
      More
    • ethical

      US /ˈɛθɪkəl/

      UK /ˈeθɪkl/

      • Adjective
      • Morally right; following principles of goodness
      B1
      More
    • figure out

      US /ˈfɪɡjɚ aʊt/

      UK /ˈfiɡə aut/

      • Phrasal Verb
      • To understand the behavior of someone
      • To think through logically to find a solution
      • Verb (Transitive/Intransitive)
      • To understand or find an answer to something.
      • To find a solution to a problem or understand something.
      A1
      More
    • fit into

      US /fɪt ˈɪntu/

      UK /fit ˈɪntuː/

      • Phrasal Verb
      • To be small enough to go inside something.
      • To feel like you belong to a group.
      A2
      More
    • flu

      US /flu/

      UK /flu:/

      • Noun (Countable/Uncountable)
      • Illness causing headache, fever etc.
      • A specific instance or bout of influenza.
      B2
      More
    • found out

      US

      UK

      • Phrasal Verb
      • To learn or discover something, often after some effort.
      • To become known; be revealed.
      B2
      More
    • function

      US /ˈfʌŋkʃən/

      UK /'fʌŋkʃn/

      • Noun
      • Social event, or party such as a wedding
      • Mathematical operation used in calculations
      • Intransitive Verb
      • To serve a certain purpose or role
      • To be operating, working or achieving its purpose
      A2TOEIC
      More
    • grow up

      US /ɡro ʌp/

      UK /ɡrəu ʌp/

      • Phrasal Verb
      • To develop from a child into an adult
      A1
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • in conjunction with

      US /ɪn kənˈdʒʌŋkʃən wɪð/

      UK /in kənˈdʒʌŋkʃən wið/

      • Phrase
      • Together with; along with
      A1
      More
    • in person

      US /ɪn ˈpɜːrsn/

      UK /in ˈpɜːsn/

      • Adverb
      • Physically present; not by proxy or remotely.
      • Face-to-face; not through electronic communication.
      A1
      More
    • in use

      US /ɪn juz/

      UK /in ju:z/

      • Adjective
      • Being used at the present time.
      A2
      More
    • inoculate

      US /ɪ'nɑ:kjʊleɪt/

      UK /ɪ'nɒkjʊleɪt/

      • Transitive Verb
      • To inject a disease to build up immunity to it
      C2
      More
    • involve

      US /ɪnˈvɑlv/

      UK /ɪn'vɒlv/

      • Transitive Verb
      • To have or be included as a part of something
      • To cause (a person or group) to take part in an event or activity.
      A2TOEIC
      More
    • make for

      US /mek fɔr/

      UK /meik fɔ:/

      • Phrasal Verb
      • To go to or toward something/someone for a reason
      • To result in; cause
      A1
      More
    • minimum

      US /ˈmɪnəməm/

      UK /ˈmɪnɪməm/

      • Noun (Countable/Uncountable)
      • Smallest degree or level that is acceptable
      • The lowest recorded or expected temperature.
      • Adjective
      • Smallest or lowest; the least possible.
      • Using or requiring the least possible resources.
      B1TOEIC
      More
    • of course

      US /ʌv kɔː(r)s/

      UK /ɔv kɔː(r)s/

      • Adverb
      • Sure ; Certainly
      • Phrase
      • For sure; certainly
      A2
      More
    • outcome

      US /ˈaʊtˌkʌm/

      UK /ˈaʊtkʌm/

      • Noun
      • Something that happens as a result, consequence
      A2
      More
    • pharmaceutical

      US /ˌfɑ:rməˈsu:tɪkl/

      UK /ˌfɑ:məˈsu:tɪkl/

      • Adjective
      • Concerning the science of drugs and medicines
      B2
      More
    • physical

      US /ˈfɪzɪkəl/

      UK /ˈfɪzɪkl/

      • Countable Noun
      • Health check at the doctors' or hospital
      • Adjective
      • Concerning the body of a person
      • Concerning things that can be seen or touched
      A2
      More
    • placebo

      US /pləˈsibo/

      UK /plə'si:bəʊ/

      • Noun
      • Harmless pill for comparison in trial of new drug
      B2
      More
    • quarantine

      US /ˈkwɔrənˌtin, ˈkwɑr-/

      UK /'kwɒrənti:n/

      • Transitive Verb
      • To isolate ill people to prevent disease spreading
      • Noun (Countable/Uncountable)
      • The place to isolate sick plants, animals
      C1
      More
    • recruit

      US /rɪˈkrut/

      UK /rɪ'kru:t/

      • Countable Noun
      • Person who has just joined the military
      • Person who has just begun a new activity or job
      • Transitive Verb
      • To convince and help people to join the military
      • To find new employees, volunteers or members
      B1TOEIC
      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
    • respiratory

      US /ˈrɛspərəˌtɔri, -ˌtori, rɪˈspaɪrə-/

      UK /ˈrespərəˌtɔ:ri:, -ˌtəʊri:, rɪˈspaɪərə-/

      • Adjective
      • (Medical) concerning breathing
      • Having the function of respiration.
      • Noun
      • The branch of medicine concerned with the organs of respiration.
      • The system of organs involved in breathing.
      C1
      More
    • reverse

      US /rɪˈvɚs/

      UK /rɪ'vɜ:s/

      • Noun
      • Setting that makes the vehicle go backward
      • Instance of a significant change, for the worse
      • Verb (Transitive/Intransitive)
      • To drive a vehicle backward
      • To change to an opposite state, way or condition
      B1TOEIC
      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
    • straightforward

      US /stretˈfɔrwəd/

      UK /ˌstreɪtˈfɔ:wəd/

      • Adjective
      • Easy to do or understand; not complicated
      • Honest and open; not trying to hide anything.
      B1TOEIC
      More
    • swab

      US /swɑb/

      UK /swɒb/

      • Transitive Verb
      • To wipe or clean with water or a mop
      • Noun
      • a small piece of soft material used for cleaning a cut or for taking a small amount of substance from a body, or the substance itself that can then be tested
      C1
      More
    • tissue

      US /ˈtɪʃu/

      UK /ˈtɪʃu:/

      • Noun (Countable/Uncountable)
      • Substance formed by cells of living thing; flesh
      • Kind of thin, light paper used to pack objects
      A2
      More
    • trial

      US /ˈtraɪəl, traɪl/

      UK /ˈtraɪəl/

      • Noun (Countable/Uncountable)
      • Hearing and judgment of a case in court
      • Act or process of testing or experimenting
      • Transitive Verb
      • To be made or done as a test or experiment
      A2TOEIC
      More
    • typical

      US /ˈtɪpɪkəl/

      UK /ˈtɪpɪkl/

      • Adjective
      • Normal; usual; expected
      • Serving as a representative example of a particular type.
      A2
      More
    • typically

      US /ˈtɪpɪklɪ/

      UK /ˈtɪpɪkli/

      • Adverb
      • In a normal or usual way
      B1
      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
    • vaccine

      US /vækˈsin,ˈvækˌsin/

      UK /'væksi:n/

      • Noun (Countable/Uncountable)
      • Shot using weak disease cells to stop same disease
      • A preparation of weakened or killed microorganisms, or of antigenic proteins derived from them, used to induce protective immunity in animals.
      B2
      More
    • viral

      US /ˈvaɪrəl/

      UK /ˈvaɪrəl/

      • Adjective
      • Of or caused by a virus
      • Becoming very popular by circulating quickly from person to person, especially through the Internet.
      B2
      More
    • virus

      US /ˈvaɪrəs/

      UK /'vaɪrəs/

      • Noun
      • File secretly put on computers to cause harm
      • Living organism that causes disease or sickness
      B1
      More
    • volunteer

      US /ˌvɑlənˈtɪr/

      UK /ˌvɒlən'tɪə(r)/

      • Adjective
      • Working willingly without pay to help others
      • Countable Noun
      • Person who helps others without being paid
      • A person who enters military service voluntarily.
      B2TOEIC
      More
    • vulnerable

      US /ˈvʌlnərəbəl/

      UK /ˈvʌlnərəbl/

      • Adjective
      • Being open to attack or damage
      • Being easily harmed, hurt, or wounded
      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
    #infected#disease#common cold#quarantine#trial#challenge

    The people who get paid to get sick

    0
    林宜悉 posted on 2026/01/18
    Ever wondered how scientists test new vaccines super fast? This video dives into the fascinating world of human challenge trials, where volunteers are intentionally exposed to viruses like RSV to speed up research! You'll pick up some advanced vocabulary related to medical research and ethical debates, all explained with clear, simple sentences.

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