鳄鱼在英语中叫做"crocodile"。这个词源于希腊语"crocodilos"，有"lizard"的意思。例句：

The crocodile is a large reptile that lives in rivers and swamps.

鳄鱼是一种生活在河流和沼泽地的大型爬行动物。

Crocodiles are known for their powerful jaws and sharp teeth.

鳄鱼以其强壮的下颌和锋利的牙齿而闻名。

The crocodile is a predator that hunts and eats a variety of animals.

鳄鱼是一种捕食性动物，捕食各种动物。