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    protein

    US /ˈprəʊˌtiːn/

    ・

    UK /ˈprəʊti:n/

    • Noun (Countable/Uncountable)
    • Group of molecules made from amino acids
    B1
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    switch

    US /swɪtʃ/

    ・

    UK /swɪtʃ/

    • Noun
    • A change or shift from one method to another
    • Thing you move to turn electrical items on or off
    • Transitive Verb
    • To exchange or replace something for another thing
    A2TOEIC
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    call

    US /kɔl/

    ・

    UK /kɔ:l/

    • Noun
    • A order or request for action
    • The sound an animal makes, often when in danger
    • Verb (Transitive/Intransitive)
    • To make a request or order for action
    • To visit a place or person for a short time
    A1
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    enzyme

    US /ˈɛnzaɪm/

    ・

    UK /ˈenzaɪm/

    • Noun
    • A protein made by cells
    B2TOEIC
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    energy point vocabulary