单词 | 蛇颈龙属 |
释义 | 〔plesiosaur〕A large extinct marine reptile having paddlelike limbs that was common in Europe and North America during the Mesozoic Era.蛇颈龙属:常见于欧洲和北美洲中生代,有桨状肢已灭绝的一种大型海洋爬行动物 |
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