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  1. Oxford American Dictionary

    impair

    • IPA[imˈper]

    美式

    • v.
      weaken or damage something (especially a human faculty or function)

    • verb: impair, 3rd person present: impairs, gerund or present participle: impairing, past tense: impaired, past participle: impaired

    • 釋義

    動詞

    • 1. weaken or damage something (especially a human faculty or function) drug use that impairs job performance