我们在动物园里看到了一条巨大的鳄鱼。

Wǒmen zài dòngwùyuán lǐ kàn dào le yī tiáo jùdà de èyú.

We saw a huge crocodile at the zoo.

鳄鱼虽然叫鱼，但其实是一种爬行动物。

Èyú suīrán jiào yú, dàn qíshí shì yī zhǒng páxíng dòngwù.

Although they're called crocodiles (literally "croc-fish"), they're actually reptiles.

这条河里据说有野生鳄鱼，千万别下水。

Zhè tiáo hé lǐ jùshuō yǒu yěshēng èyú, qiānwàn bié xià shuǐ.

This river reportedly has wild crocodiles — definitely don't go in the water.