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  1. pelycosaur

    • IPA[ˈpɛlɪkəsɔː]

    英式

    • n.
      a large fossil reptile of the late Carboniferous and Permian periods, typically having a line of long bony spines along the back supporting a sail-like crest.
    • noun: pelycosaur, plural noun: pelycosaurs

    • 更多解釋
    • IPA[ˈpelikəˌsôr]

    美式

    • n.
      a large extinct reptile of the late Carboniferous and Permian periods, typically having a line of long bony spines along the back supporting a sail-like crest.

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