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  1. efficacious

    • IPA[ˌɛfɪˈkeɪʃəs]

    英式

    • adj.
      (of something inanimate or abstract) successful in producing a desired or intended result; effective
    • 釋義
    • adj.
      形容詞
    • 1. (of something inanimate or abstract) successful in producing a desired or intended result; effective:

      this treatment was efficacious in some cases

    • 更多解釋
    • IPA[ˌefəˈkāSHəs]

    美式

    • adj.
      (of something inanimate or abstract) successful in producing a desired or intended result; effective:
    • the vaccine has proved both efficacious and safe

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