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Crocodile
鱷魚
When most dinosaurs disappeared eighty million years ago, some kinds of animal survived.
當(dāng)大多數(shù)恐龍?jiān)?000萬年前滅絕時(shí)，一些動(dòng)物幸存了下來。
Crocodiles were one of them.
鱷魚是其中之一。
People believe that crocodiles were living two hundred million years ago.
人們相信鱷魚自兩億年前就存在了。
Crocodiles have very thick and green skin.
鱷魚有厚厚的綠皮。
Some kinds of crocodiles like to live in fresh water and others like salty water.
有些種類的鱷魚喜歡生活在淡水中，有些則喜歡咸水。
They usually eat fish, reptiles and mammals.
它們通常吃魚類、爬行類和哺乳類動(dòng)物。
If you ever saw a crocodile, you might think they look very slow.
如果你曾經(jīng)見過鱷魚，你可能會(huì)覺得它們行動(dòng)緩慢。
As a matter of fact, they are very fast.
事實(shí)上，它們行動(dòng)迅速。
Also, they have very strong teeth and jaws.
而且，它們的牙齒和下巴非常強(qiáng)壯。
These characteristics make crocodiles one of the most dangerous animals in the world.
這些特征使鱷魚成為世界上最危險(xiǎn)的動(dòng)物之一。
