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  1. Oxford Dictionary

    fail-safe

    • IPA[ˈfeɪlseɪf]

    英式

    • adj.
      causing a piece of machinery to revert to a safe condition in the event of a breakdown or malfunction；unlikely or unable to fail
    • n.
      a system or plan that comes into operation in the event of something going wrong or that is in place to prevent such an occurrence
    • 釋義

    形容詞

    • 1. causing a piece of machinery to revert to a safe condition in the event of a breakdown or malfunction a forklift truck with a fail-safe device
    • 2. unlikely or unable to fail there is no guaranteed fail-safe procedure

    名詞

    • 1. a system or plan that comes into operation in the event of something going wrong or that is in place to prevent such an occurrence stewards positioned around the track as a fail-safe