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    Pfizer vaccine appears effective against UK COVID-19 strain

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    林宜悉 posted on 2021/01/22
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    Video vocabulary

    effective

    US /ɪˈfɛktɪv/

    UK /ɪˈfektɪv/

    • Adjective
    • Working efficiently to produce a desired result
    • In operation; in force.
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    identify

    US /aɪˈdɛntəˌfaɪ/

    UK /aɪ'dentɪfaɪ/

    • Transitive Verb
    • To indicate who or what someone or something is
    • To say exactly what something is
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    spread

    US /sprɛd/

    UK /spred/

    • Noun (Countable/Uncountable)
    • A big meal, often laid out as a buffet
    • The distance between two things
    • Verb (Transitive/Intransitive)
    • To place over a large area; to cover a large area
    • (Of ideas, gossip) to pass to and affect others
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    mutation

    US /mjuˈteʃən/

    UK /mju:'teɪʃn/

    • Noun
    • Change that changes genetic structure
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