单词 | pterosaur |
释义 | pterosaur /ter"euh sawr'/, n. any flying reptile of the extinct order Pterosauria, from the Jurassic and Cretaceous periods, having the outside digit of the forelimb greatly elongated and supporting a wing membrane. [1860-65; < NL Pterosauria; see PTERO-, -SAUR] |
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