Snakes and crocodiles are both reptiles.

蛇和是动。

This heavily muscled reptile stalks about on four limbs,its fluid movements and feline grace belying its size.

这只四足生有着不符于其体型迅敏动和如猫般优雅。

Although its name is Greek for "fish lizard," Ichthyosaurus was no fish—it was a reptile that swam the Mesozoic oceans.

虽然它名字在希腊为“蜥蜴”，龙不是――这是一个虫类动泳手在中生代海洋。

It was a large anapsid reptile that, unlike most reptiles, held its legs underneath its body to support its great weight.

和大部分动不同，它是一种大形无颞窝动，它靠身子下面脚来支撑它庞大身躯。