Any of various large aquatic reptiles, chiefly of the genus Crocodylus, native to tropical and subtropical regions and having thick, armorlike skin and long, tapering jaws.

• 鳄鱼任一种原产于热带和亚热带地区的鳄属大型水栖爬行动物，生有厚的、甲状皮肤以及长而逐渐变细的尾巴