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  1. pygostyle

    • IPA[ˈpʌɪɡə(ʊ)stʌɪl]

    英式

    • n.
      (in a bird) a triangular plate formed of the fused caudal vertebrae, typically supporting the tail feathers.
    • noun: pygostyle, plural noun: pygostyles

    • 更多解釋
    • IPA[ˈpīɡəˌstīl]

    美式

    • n.
      (in a bird) a triangular plate formed of the fused caudal vertebrae, typically supporting the ...

    Oxford American Dictionary