7 Raptiles

Reptiles

爬行动物

Reptiles. Reptiles have lived on Earth for millions and millions of years. Now, there are over 8,000 different types. This is an Eastern collared lizard. These reptiles are found in North America.

爬行动物。爬行动物已经在地球上生活了数百万年。 现在，有超过8000种不同的类型。 这是一只东颈蜥蜴。 这些爬行动物产于北美。

What is a reptile? There are four main kinds of reptiles, Crocodiles and alligators are fierce hunters with very powerful tails. Snakes have slim, bendy bodies and no legs. Most snakes eat bigger animals. Lizards are usually small, with long tails. They can run very quickly. Turtles and tortoises have domed shells made up of hard, bony scales.

什么是爬行动物？有四种主要的爬行动物，鳄鱼和短吻鳄是凶猛的猎人，有着非常有力的尾巴。 蛇有纤细、弯曲的身体，没有腿。 大多数蛇吃更大的动物。 蜥蜴通常很小，长着长长的尾巴。 它们跑得很快。 海龟和陆龟有由坚硬的骨鳞组成的圆顶壳。

However different they look, nearly all reptiles... ...have scaly, waterproof skin... ...lay eggs... ...and are cold-blooded. This means that they need the sun's heat to keep their bodies warm.

不管它们看起来有多不同，几乎所有的爬行动物…… …有鳞片，防水的皮肤… …下蛋... ...而且是冷血动物。 这意味着它们需要太阳的热量来保持身体温暖。

Little and large. Some reptiles are tiny, and some are huge. A pygmy chameleon can fit on a person's finger. It eats flies that are almost too small for people to see. Saltwater crocodiles are big enough to attack sharks!

大大小小的。有些爬行动物很小，有些很大。 侏儒变色龙可以爬到人的手指上。 它吃的苍蝇小得人们几乎看不见。 咸水鳄大到足以攻击鲨鱼！

The Galapagos giant tortoise is the biggest tortoise in the world. It is as big as the wheel of a truck, and can live for over 100 years.

加拉帕戈斯巨龟是世界上最大的乌龟。 它和卡车的轮子一样大，可以活100多年。