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  1. inefficacious

    • IPA[ˈinefiˈkāSHəs]

    美式

    • adj.
      not producing the desired effect.
    • 更多解釋
    • IPA[ˌɪnɛfɪˈkeɪʃəs]

    英式

    • adj.
      not producing the desired effect:
    • social conventions honed over thousands of years were suddenly inefficacious

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