plesiosaur
- n. 蛇颈龙：已灭绝的海生爬行动物，头小、颈长、尾短，四肢呈桨状，生存于中生代（尤指侏罗纪至白垩纪）。
专业释义英英释义
plesiosaur [ 'pli:siəsɔ: ]
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n.
extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous
同义词： plesiosaurus
以上来源于: WordNet
柯林斯英汉双解大词典
plesiosaur /ˈpliːsɪəˌsɔː/
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1.
N any of various extinct marine reptiles of the order Sauropterygia, esp any of the suborder Plesiosauria, of Jurassic and Cretaceous times, having a long neck, short tail, and paddle-like limbs 蛇颈龙 → see also ichthyosaur
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