024 沙漠之舟

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If you had to walk on hot sand with a heavy backpack and no water to drink, how long could you walk?

如果你必须背着沉重的背包，在没有水喝的情况下走滚烫的沙地，你能走多久？

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Could you walk for ten minutes? Could you walk for one hour?

你能走十分钟吗？能走一个小时吗？

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Could you walk for three weeks? There is one animal that can: the camel!

你能走三个星期吗？有一种动物可以做到：骆驼！

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There are two kinds of camels, the Dromedary and the Bactrian

骆驼有两种：单峰驼和双峰驼。

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Dromedary camels have only one hump and Bactrian camels have two

单峰驼只有一个驼峰，双峰驼则有两个。

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If you turn the letters D and B on their sides, this will help you remember their names

如果你把字母D和B横过来看，这能帮你记住它们的名字。

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Dromedary camels live in Arabia, India, and North Africa

单峰驼生活在阿拉伯、印度和北非。

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There are 13 million Dromedary camels alive today, and all of them are used to carry loads through the desert

如今大约有1300万头单峰驼，它们全部被用来在沙漠中驮运货物。

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Because they are so valuable to humans, there are no more wild Dromedary camels

因为它们对人类非常宝贵，所以已经没有野生的单峰驼了。

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Bactrian camels live in China, Mongolia, and Kazakhstan

双峰驼生活在中国、蒙古和哈萨克斯坦。

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Scientists are worried because there are not many wild Bactrian camels left in the world

科学家们很担心，因为世界上现存的野生双峰驼不多了。

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There are only 950 living in the Gobi Desert

戈壁沙漠里仅存950头。

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Bactrian camels are slower than Dromedary camels, so people prefer Dromedaries

双峰驼比单峰驼慢，所以人们更喜欢单峰驼。

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Do you wish you had a camel? If you do, listen to this

你希望拥有一头骆驼吗？如果是的话，听听这个。

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Camels are very difficult pets

骆驼是非常难养的宠物。

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They like to bite, spit, and kick people who make them work

它们喜欢咬、吐口水和踢那些让它们干活的人。

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Camels eat 12 kilograms of food every day and can drink 114 liters of water in ten minutes!

骆驼每天吃12公斤食物，十分钟就能喝114升水！

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But there are a lot of good things about camels too

但是骆驼也有很多优点。

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Camel milk is very delicious. And camel wool can be made into clothes

骆驼奶非常美味。而且骆驼毛可以制成衣服。

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If you need to light a fire, you can use camel dung

如果你需要生火，可以使用骆驼粪。

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These three camel gifts help people survive in the desert

骆驼的这三项天赋帮助人们在沙漠中生存。

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But wait, there is more!

但是等等，还有更多！

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Camels are called ships of the desert because they carry very big loads from one side of the desert to the other

骆驼被称为沙漠之舟，因为它们能把很大的货物从沙漠的一边运到另一边。

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Dromedary camels can carry over two hundred kilograms on their backs

单峰骆驼能驮超过两百公斤的货物。

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Camels walk four kilometers per hour through the hot desert

骆驼在炎热的沙漠中每小时行走四公里。

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They can go like this for three weeks without water! That's amazing!

它们可以这样连续走三周而不喝水！真了不起！

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Why don't camels need water?

为什么骆驼不需要水呢？

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Here's a hint: they don't store it in their humps

给你个提示：它们不是把水储存在驼峰里。

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Camels do need water, but they save it for long trips

骆驼确实需要水，但它们会把水省下来用于长途跋涉。

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For example, when the weather gets hot, camels don't sweat much

比如，天气变热时，骆驼不怎么出汗。

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Instead, they let their bodies get warmer

相反，它们让自己的体温升高。

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Even when camels go to the bathroom, they save their water and only lose the waste

即使骆驼上厕所时，也会保住水分，只排出废物。

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A camel can lose up to 40 percent of its body's water before getting sick

骆驼可以失去多达其身体水分40%的水才会生病。

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Humans can lose only 20 percent

人类只能失去20%。

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These are just some of the reasons that camels don't need water in the desert

这些只是骆驼在沙漠中不需要水的一些原因。

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So what is in the camel's hump? Good question

那么骆驼的驼峰里有什么呢？问得好。

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When camels are not walking, they eat a lot of food

当骆驼不走路时，它们会吃很多东西。

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Their bodies turn the food into fat and save the fat in their humps

它们的身体把食物转化为脂肪，并将脂肪储存在驼峰里。

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The fat helps them walk for many weeks without eating

这些脂肪帮助它们在不进食的情况下连续行走好几周。

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The next time you see a picture of a camel, look at its hump

下次你看到骆驼的图片时，看看它的驼峰。

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If the hump is tall, it means the camel is healthy

如果驼峰高高耸立，就说明骆驼很健康。

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If the hump is short or falling over, it means the camel needs a vacation and lots to eat and drink!

如果驼峰矮小或倒塌，那就说明骆驼需要休息，并且好好吃喝一顿！

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Camels are amazing animals. They can close their noses in sandstorms

骆驼是了不起的动物。它们能在沙尘暴中闭上鼻孔。

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They can eat thorn bushes without hurting their lips

它们能吃有刺的灌木而不伤到嘴唇。

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They can live to be forty years old

它们能活到四十岁。

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It's no wonder the Bedouin, the desert people of northern Africa, call camels the gift of God!

难怪北非沙漠的贝都因人把骆驼称为真主的恩赐！