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  1. virulent

    • IPA[ˈvɪrʊl(ə)nt]

    英式

    • adj.
      (of a disease or poison) extremely severe or harmful in its effects;(of a pathogen, especially a virus) highly infective
    • 釋義
    • 更多解釋
    • IPA[ˈvir(y)ələnt]

    美式

    • adj.
      (of a disease or poison) extremely severe or harmful in its effects: a virulent strain of influenza the poison is so virulent that it kills a fish instantly

    Oxford American Dictionary