我的朋友刚开始涉水，突然一条鳄鱼咬住了她的腿。

My friend started to walk into the water when suddenly ___a ___crocodile grabbed her leg.

我们在动物园看到一条巨大的鳄鱼在河岸边晒太阳。

We saw a massive ___crocodile sunbathing by the riverbank at the zoo.

鳄鱼强有力的颚能毫不费力地咬碎骨头。

The ___crocodile's powerful jaws can crush bones effortlessly.