Reptiles are a group of cold-blooded animals which have skins covered with small hard plates called scales and lay eggs. Snakes, lizards, and crocodiles are reptiles.
英汉词典释义
n.
爬行动物, 爬虫
Snakes and crocodiles are both reptiles.蛇和鳄鱼都是爬行动物。
英英词典释义
Noun
1. any cold-blooded vertebrate of the class Reptilia including tortoises turtles snakes lizards alligators crocodiles and extinct forms