Is it a crocodile or an alligator?

是鳄鱼还是短吻鳄？

It is black or gray. It is an alligator!

这是短吻鳄，它是灰色或是黑色的

It is brown or green. It is a crocodile!

这是鳄鱼，它是棕色或是绿色的

It has a short snout. It is an alligator!

这是短吻鳄，它的鼻子很短

It has a long snout. It is a crocodile!

这是鳄鱼，它的鼻子很长

It can live for fifty years. It is an alligator!

这是短吻鳄，它可以活50岁

It can live for one hundred years. It is a crocodile!

这是鳄鱼，它可以活100岁

It does not show its teeth. It is an alligator!

这是短吻鳄，它没有露出牙齿

It shows its teeth. It is a crocodile!

这是鳄鱼，它的牙齿露在外面

Is this an alligator or a crocodile?

这是只短吻鳄还是鳄鱼呢？