释义 |
DEFINITIVE EXAMPLES 权威例句〔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美国传统〔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,包括蛇颈龙美国传统 |