croc

例句：

1. 1.The crocodile is a large reptile that lives in rivers and lakes.
   鳄鱼是一种生活在河流和湖泊的大型爬行动物。
2. 2. Crocodiles are known for their powerful jaws and sharp teeth.
   鳄鱼以其强大的颚部和锋利的牙齿而闻名。
3. 3. The crocodile's skin is covered with scales that protect it from predators.
   鳄鱼的皮肤覆盖着鳞片，以保护它免受捕食者的伤害。