单词 | 蛇颈龙 |
释义 | 〔sauropterygian〕Any of various extinct aquatic reptiles of the superorder Sauropterygia that flourished during the Mesozoic Era and included the plesiosaurs.鳍龙:各种在中生代时期大量繁殖的鳍龙亚目已灭绝水生爬行动物,包括蛇颈龙 |
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