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  1. strenuous

    • IPA[ˈstrenyo͞oəs]

    美式

    • adj.
      requiring or using great exertion
    • 更多解釋
    • IPA[ˈstrɛnjʊəs]

    英式

    • adj.
      requiring or using great effort or exertion: the government made strenuous efforts to upgrade the quality of the teaching profession

    Oxford Dictionary