reptile

Bird evolved from reptiles, so the first bird must have come out of an egg--laid by a reptile.

禽类是由爬虫类进化而来，所以，第一只禽鸟肯定是从爬虫类孵化的蛋里出来的。

No matter how dry your skin gets, you will never turn into an alligator or any other type of reptile.

不论皮肤多么干燥，你永远不会变成美洲鳄或任何其他一种皮肤粗糙的爬行动物。

This small reptile, which measures just 10 centimeters long, can swim through the sand dunes at up to 15 centimeters per second.

这种身长只有10厘米小型爬行动物，可以在沙子中以最快每秒15厘米的速度游动。