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  1. locknut

    • IPA[ˈlɒknʌt]

    英式

    • n.
      a nut screwed down on another to keep it tight.;a nut designed so that, once tightened, it cannot be accidentally loosened.
    • noun: locknut, plural noun: locknuts

    • 更多解釋
    • IPA[ˈläkˌnət]

    美式

    • n.
      a nut screwed down on another to keep it tight.

    Oxford American Dictionary