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  1. cercus

    • IPA[ˈsəːkəs]

    英式

    • n.
      either of a pair of small appendages at the end of the abdomen of some insects and other arthropods.
    • noun: cercus, plural noun: cerci

    • 更多解釋
    • IPA[ˈsərkəs]

    美式

    • n.
      a small appendage at the end of the abdomen of some insects and other arthropods, occurring in ...

    Oxford American Dictionary