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跪求中文ING~~What's the sky?where is it?How high is it?What lies

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跪求中文ING~~
What's the sky?where is it?How high is it?What lies about it?Many children have asked the same questions.
If someone asks you,"What colour is the sky?"You may anwer"Blue".But I think you are wrong.The sky has no colour.When you see blue,you are looking at the blue sunlight.The sunlight is shining on little bits of dust in the air.
Is the sky full of air?Children may have aksed this questions.We know that there is air all around us.We cannot breathe without air.Planes cannot fly without air.They need it to lift wings.But do you know that farther away you get from the earth,the thinner the air is?That's why planes cannot fly very high.As they go higher,there is less and less air.If we go far enough away from the earth,we find there is no air at all.
Perhaps we can answer some of the questions now.What' the sky?Nothing.Where is it?It's all around the world,the moon and all the stars.
跪求中文ING~~What's the sky?where is it?How high is it?What lies
天空究竟是什么?它在何处?它有多高?天空中都有些什么?许多孩子都问过同样的问题.
如果有人问你:“天空是什么颜色的?”你也许会回答:“是蓝色的.”但我想你错了.天空是没有颜色的.所谓的蓝是阳光的颜色.阳光照射在空气中的浮尘上.
天空中充满了空气吗?孩子们也许问过这个问题.我们知道,我们的周围充满了空气.没有了空气,我们无法呼吸.没有了空气,飞机无法飞行.飞机需要空气来承载机翼.但你知道吗?在离地球表面越远的地方,空气越稀薄.这就是飞机之所以不能飞的太高的原因.它们飞的越高,空气便渐渐减少.如果我们离地面够远,我们就会发现,那儿根本没有氧气.
现在我们大概能够回答这些问题中的一部分了.天空是什么?它是无垠.它在何处?它包围着地球,月球和所有的星星.