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  1. protoceratops

    • IPA[ˌprōdəˈserəˌtäps]

    美式

    • n.
      a small quadrupedal dinosaur of the late Cretaceous period, having a bony frill above the neck and probably ancestral to triceratops. The fossilized remains of many individuals and their eggs have been found in Mongolia.
    • noun: protoceratops, plural noun: protoceratopses

    • 更多解釋
    • IPA[ˌprəʊtə(ʊ)ˈsɛrətɒps]

    英式

    • n.
      a small quadrupedal dinosaur of the late Cretaceous period, having a bony frill above the neck ...

    Oxford Dictionary