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Vocabulary

  • have to: Must do
  • same time: Occurring simultaneously or at the same point in time.
  • at least: As a minimum
  • go in for: To enter a competition
  • think about: To consider something carefully.
  • except that: But; with the exception that.
  • for the sake of: For the purpose of; in the interest of.
  • in mind: Being aware of or considering something.
  • for example: As an illustration or instance.
  • pump out: To remove liquid from somewhere using a pump.
  • based on: To use something as the foundation or starting point for something else.
  • used to: Did regularly before, but don't do now
  • change up: To introduce variety or do something differently.
  • in full swing: At its peak of activity; fully active or operational.
  • after all: In spite of what was expected; used to introduce a statement that supports a previous statement or explains why it was made
  • at the same time: Simultaneously; at the identical moment.
  • move ahead: To make progress; advance.
  • for free: Without charge; at no cost.
  • two-way street: A situation or relationship involving reciprocal action or obligation.
  • inner surface: The internal or inside surface of something.
  • fight off: To defend a position, often violently
  • wake up: To stop sleeping
  • as with: In the same way that something happens or is true of something else.
  • instead of: When one thing is replaced by another
  • work in: To make an opening for something in your schedule
  • lead to: To result in some action
  • all hands on deck: A call for everyone to work together in a difficult situation.
  • on deck: In baseball, being the next batter to come up to bat.
  • scale up: To increase in size, number, or extent.
  • to scale: In proportion; maintaining accurate relative dimensions.
  • stuff: Generic description for things, materials, objects
  • specific: Precise; particular; just about that thing
  • approach: To get close to reaching something or somewhere
  • immune: Having a special protection from, e.g. the law
  • recognize: To accept the truth or reality of something
  • present: Being in attendance; being there; having turned up
  • pandemic: (of a disease) existing in almost all of an area or in almost all of a group of people, animals, or plants
  • situation: Place, position or area that something is in
  • basically: Used before you explain something simply, clearly
  • term: Conditions applying to an agreement, contract
  • brilliant: Having a great amount of intelligence or talent
  • develop: To explain something in steps and in detail
  • respiratory: (Medical) concerning breathing
  • bacteria: The very small creatures that can cause disease
  • annoying: To make someone angry
  • integrate: To combine together; make into one thing
  • prevent: To stop something from happening or existing
  • prime: To get a person ready for; prepare someone
  • maintain: To keep saying something a certain way
  • innate: Being part of something's nature
  • response: Something said/written as an answer to something
  • surface: To give (road) a top layer
  • population: Number of people who live in a country, area etc.
  • vaccine: Shot using weak disease cells to stop same disease
  • effect: An advantage, benefit
  • involve: To have or be included as a part of something
  • threat: Warning of probable trouble
  • pretty: Being attractive to the eye in a simple way
  • create: To make, cause, or bring into existence
  • universal: Existing in all places at all times for all people
  • induce: To make someone do something; create an outcome
  • enhance: To improve; make bigger or better
  • complicate: To make more difficult to do, understand or use
  • defense: Argument in support of something
  • promise: To say you will certainly do something
  • learn: To get knowledge or skills by study or experience
  • system: Set of organized, planned ideas that work together
  • receptor: A nerve ending that changes stimuli into impulses
  • resident: Trainee doctor who works/lives in a hospital
  • great: Very good; better than before
  • remember: To give someone a gift, e.g. birthday, wedding
  • quick: Using very little time; moving far in little time
  • include: To make someone, something part of a group
  • immunity: State of not being able to catch a disease
  • fast: In a way that is difficult to move or change
  • bureaucracy: Governing system with many rules and officials
  • lung: One of the two organs we use to breathe
  • subscription: Regular payment for a service, magazine etc.
  • bacterium: The very small creatures that can cause disease
  • collateral: Property you offer as security against a loan
  • infect: To introduce a computer virus to
  • flu: Illness causing headache, fever etc.
  • upgrade: To improve something in terms of quality
  • antigen: Substance that produces antibodies in the body
  • activation: Act of making something (e.g. a bomb) active
  • adaptive: Able to adjust to new conditions
  • bacterial: Concerning or caused by bacteria
  • dna: Chemical in living cells with genetic information
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    • activation

      US /ˌæktɪ'veɪʃn/

      UK /ˌæktɪ'veɪʃn/

      • Noun
      • Act of making something (e.g. a bomb) active
      B1
      More
    • adaptive

      US /əˈdæptɪv/

      UK /ə'dæptɪv/

      • Adjective
      • Able to adjust to new conditions
      B1
      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
    • all hands on deck

      US /ɔl hændz ɑn dɛk/

      UK /ɔ:l hændz ɒn dek/

      • other
      • A call for everyone to work together in a difficult situation.
      B2
      More
    • annoying

      US /əˈnɔɪɪŋ/

      UK /əˈnɔɪɪŋ/

      • Transitive Verb
      • To make someone angry
      • Adjective
      • A little angry; upset
      B1TOEIC
      More
    • antigen

      US /ˈæntɪdʒən/

      UK /ˈæntɪdʒən/

      • Noun
      • Substance that produces antibodies in the body
      B2
      More
    • approach

      US /əˈprəʊtʃ/

      UK /ə'prəʊtʃ/

      • Verb (Transitive/Intransitive)
      • To get close to reaching something or somewhere
      • To request someone to do something specific
      • Noun (Countable/Uncountable)
      • Means of reaching a place, often a road or path
      • Request of someone with a specific goal in mind
      A2TOEIC
      More
    • as with

      US /æz wɪð/

      UK /æz wið/

      • Preposition
      • In the same way that something happens or is true of something else.
      A1
      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
    • at the same time

      US

      UK

      • Phrase
      • Simultaneously; at the identical moment.
      • Nevertheless; however; used to introduce a contrasting or qualifying statement.
      A1
      More
    • bacteria

      US /bækˈtɪriə/

      UK /bæk'tɪərɪə/

      • Noun (plural)
      • The very small creatures that can cause disease
      B2
      More
    • bacterial

      US /bæk'tɪərɪrl/

      UK /bæk'tɪərɪəl/

      • Adjective
      • Concerning or caused by bacteria
      B2
      More
    • bacterium

      US /bækˈtɪriəm/

      UK /bæk'tɪərɪəm/

      • Countable Noun
      • The very small creatures that can cause disease
      B2
      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
    • 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
    • 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
    • bureaucracy

      US /bjʊˈrɑ:krəsi/

      UK /bjʊəˈrɒkrəsi/

      • Noun (Countable/Uncountable)
      • Governing system with many rules and officials
      • A system of government or business administration containing many departments, administrators, and complicated rules.
      B2
      More
    • change up

      US /tʃendʒ ʌp/

      UK /tʃeindʒ ʌp/

      • Phrasal Verb
      • To introduce variety or do something differently.
      • Noun
      • A pitch thrown with the same arm action as a fastball but with less velocity.
      A1
      More
    • collateral

      US /kəˈlætərəl/

      UK /kəˈlætərəl/

      • Uncountable Noun
      • Property you offer as security against a loan
      C1
      More
    • complicate

      US /ˈkɑ:mplɪkeɪt/

      UK /ˈkɒmplɪkeɪt/

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

      US /dɪˈfɛns/

      UK /dɪ'fens/

      • Noun (Countable/Uncountable)
      • Argument in support of something
      • The process of protecting something from attack
      B1TOEIC
      More
    • dna

      US

      UK

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

      US /ɛnˈhæns/

      UK /ɪn'hɑ:ns/

      • Transitive Verb
      • To improve; make bigger or better
      B1TOEIC
      More
    • except that

      US /ɪkˈsɛpt ðæt/

      UK /ikˈsept ðæt/

      • Conjunction
      • But; with the exception that.
      A2
      More
    • fight off

      US /faɪt ɔf/

      UK /fait ɔf/

      • Phrasal Verb
      • To defend a position, often violently
      • To resist or struggle to get rid of an illness or negative feeling.
      A1
      More
    • flu

      US /flu/

      UK /flu:/

      • Noun (Countable/Uncountable)
      • Illness causing headache, fever etc.
      • A specific instance or bout of influenza.
      B2
      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
    • for the sake of

      US /fɔr ði sek ʌv/

      UK /fɔ: ðə seik ɔv/

      • Phrase
      • For the purpose of; in the interest of.
      A1
      More
    • go in for

      US

      UK

      • Phrasal Verb
      • To enter a competition
      • To make a habit of; like doing
      A1
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • immune

      US /ɪˈmjoon/

      UK /ɪˈmju:n/

      • Adjective
      • Having a special protection from, e.g. the law
      • Protected against a particular disease or condition because of antibodies or vaccination.
      B1
      More
    • immunity

      US /ɪˈmjunɪti/

      UK /ɪˈmju:nəti/

      • Uncountable Noun
      • State of not being able to catch a disease
      B1
      More
    • in full swing

      US /ɪn fʊl swɪŋ/

      UK /in ful swiŋ/

      • Phrase
      • At its peak of activity; fully active or operational.
      B2
      More
    • in mind

      US /ɪn maɪnd/

      UK /in maind/

      • Phrase
      • Being aware of or considering something.
      • To remember or consider something.
      A2
      More
    • induce

      US /ɪnˈdus, -ˈdjus/

      UK /ɪn'dju:s/

      • Transitive Verb
      • To make someone do something; create an outcome
      • To make a woman give birth by giving her medicine
      B1TOEIC
      More
    • infect

      US /ɪnˈfɛkt/

      UK /ɪn'fekt/

      • Transitive Verb
      • To introduce a computer virus to
      • To give a disease, bacteria or virus to
      B1
      More
    • innate

      US /ɪˈneɪt/

      UK /ɪˈneɪt/

      • Adjective
      • Being part of something's nature
      • Present (in a person) from birth
      B2TOEIC
      More
    • inner surface

      US

      UK

      • Noun
      • The internal or inside surface of something.
      • The internal lining or surface within a body part or organ.
      B2
      More
    • instead of

      US /ɪnˈstɛd ʌv/

      UK /inˈsted ɔv/

      • Preposition
      • When one thing is replaced by another
      • Adverb
      • As a substitute or alternative.
      A1
      More
    • integrate

      US /ˈɪntɪˌɡret/

      UK /ˈɪntɪgreɪt/

      • Transitive Verb
      • To combine together; make into one thing
      • To bring (people or groups with particular characteristics or needs) into equal participation in or membership of a social group or institution.
      A2
      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
    • 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
    • lung

      US /lʌŋ/

      UK /lʌŋ/

      • Noun
      • One of the two organs we use to breathe
      B1
      More
    • maintain

      US /menˈten/

      UK /meɪn'teɪn/

      • Transitive Verb
      • To keep saying something a certain way
      • To keep (machine) working by checking, repairing
      A2TOEIC
      More
    • move ahead

      US /muv əˈhɛd/

      UK /mu:v əˈhed/

      • Phrasal Verb
      • To make progress; advance.
      • To start or proceed with something.
      B1
      More
    • on deck

      US /ɑn dɛk/

      UK /ɔn dek/

      • Adjective
      • In baseball, being the next batter to come up to bat.
      • Next in line; ready or available.
      • Adverb
      • Located or situated on the deck of a ship.
      B2
      More
    • pandemic

      US /pænˈdɛmɪk/

      UK /pæn'demɪk/

      • Adjective
      • (of a disease) existing in almost all of an area or in almost all of a group of people, animals, or plants
      • Noun
      • a pandemic disease
      C2
      More
    • population

      US /ˌpɑpjəˈleʃən/

      UK /ˌpɒpjuˈleɪʃn/

      • Noun (Countable/Uncountable)
      • Number of people who live in a country, area etc.
      • A group of individuals of one species living in a particular area.
      A2TOEIC
      More
    • prevent

      US /prɪˈvɛnt/

      UK /prɪ'vent/

      • Transitive Verb
      • To stop something from happening or existing
      A2TOEIC
      More
    • prime

      US /praɪm/

      UK /praɪm/

      • Transitive Verb
      • To get a person ready for; prepare someone
      • To coat with paint to prepare it for the main coat
      • Adjective
      • Concerning the highest in quality or value
      • Concerning the highest level of achievement
      A2TOEIC
      More
    • pump out

      US /pʌmp aʊt/

      UK /pʌmp aut/

      • Phrasal Verb
      • To remove liquid from somewhere using a pump.
      • To produce something in large quantities.
      B1
      More
    • receptor

      US /rɪˈseptər /

      UK /rɪˈseptə(r)/

      • Noun
      • A nerve ending that changes stimuli into impulses
      B2
      More
    • recognize

      US /ˈrek.əɡ.naɪz/

      UK /ˈrek.əɡ.naɪz/

      • Transitive Verb
      • To accept the truth or reality of something
      • To consider something as important or special
      A2TOEIC
      More
    • resident

      US /ˈrɛzɪdənt, -ˌdɛnt/

      UK /ˈrezɪdənt/

      • Noun (Countable/Uncountable)
      • Trainee doctor who works/lives in a hospital
      • A person who lives in a particular place.
      • Adjective
      • Someone who lives in a particular place
      • (of a computer program) remaining in memory.
      B1TOEIC
      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
    • response

      US /rɪˈspɑns/

      UK /riˈspɔns/

      • Noun
      • Something said/written as an answer to something
      • Reaction to something that has occurred
      A2TOEIC
      More
    • same time

      US

      UK

      • Phrase
      • Occurring simultaneously or at the same point in time.
      • At the identical time as before; recurring at a fixed hour.
      • Noun
      • An equal duration or period.
      A1
      More
    • scale up

      US //skeɪl ʌp//

      UK

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

      US /spɪˈsɪfɪk/

      UK /spəˈsɪfɪk/

      • Adjective
      • Precise; particular; just about that thing
      • Concerning one particular thing or kind of thing
      A2
      More
    • stuff

      US /stʌf/

      UK /stʌf/

      • Uncountable Noun
      • Generic description for things, materials, objects
      • Transitive Verb
      • To push material inside something, with force
      B1
      More
    • subscription

      US /səbˈskrɪpʃən/

      UK /səbˈskrɪpʃn/

      • Noun (Countable/Uncountable)
      • Regular payment for a service, magazine etc.
      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
    • think about

      US /θɪŋk əˈbaʊt/

      UK /θiŋk əˈbaut/

      • Phrasal Verb
      • To consider something carefully.
      • To remember or call to mind.
      A1
      More
    • threat

      US /θrɛt/

      UK /θret/

      • Noun
      • Warning of probable trouble
      • A warning that you may be harmed
      A2TOEIC
      More
    • to scale

      US

      UK

      • Phrase
      • In proportion; maintaining accurate relative dimensions.
      • Verb (Transitive/Intransitive)
      • To increase or expand proportionally.
      • To climb or ascend.
      B2
      More
    • two-way street

      US

      UK

      • Noun
      • A situation or relationship involving reciprocal action or obligation.
      • A street on which traffic can travel in both directions.
      More
    • universal

      US /ˌjunəˈvɚsəl/

      UK /ˌju:nɪˈvɜ:sl/

      • Adjective
      • Existing in all places at all times for all people
      • Done or experienced by everyone
      • Noun (Countable/Uncountable)
      • Things which apply equally to everyone
      • A general term, idea, or concept applicable to many particular things.
      A2
      More
    • upgrade

      US /ˈʌpˌɡred/

      UK /ˌʌpˈgreɪd/

      • Transitive Verb
      • To improve something in terms of quality
      • Noun (Countable/Uncountable)
      • Updated or better version of something
      • A new and improved version of a software or system.
      B1TOEIC
      More
    • used to

      US /juzd tu/

      UK /ˈju:st tə/

      • Adjective
      • Did regularly before, but don't do now
      • Auxiliary Verb
      • Have done before, but do not do now
      A1
      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
    • wake up

      US /wek ʌp/

      UK /weik ʌp/

      • Phrasal Verb
      • To stop sleeping
      • To become fully aware and alert to a situation.
      A1
      More
    • work in

      US /wɚk ɪn/

      UK /wə:k in/

      • Phrasal Verb
      • To make an opening for something in your schedule
      • To fit person/thing into a schedule or sequence
      A1
      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
    B1US
    #immune#innate#adaptive#immune system#system#respiratory

    Scientists Are Getting Close to Creating a Universal Vaccine

    0
    Susan posted on 2026/10/15
    Have you ever wondered if there could be one single shot to protect you from everything, rather than keeping track of separate flu and tetanus boosters? This video explores the fascinating science behind universal vaccines and how our immune system's innate and adaptive responses could be the key to future medical breakthroughs. You will pick up some great scientific vocabulary while learning how researchers are attempting to train our bodies to be ready for any respiratory threat.

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