如果你小心的扯开一团棉绒，你会发现他实际上是由多种颜色的线头组成。但你把它揉回去之后，看见的又是灰色。

If you pull apart a piece of lint carefully you will see that it is indeed composed of multiple colored threads; but as soon as you back away from it, the gray sensation returns.

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相反，沙尘呈现多种颜色并且是由不同土型组成的。

Instead, the dust is multicolored, pointing to a variety of different soil types.

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相反，沙尘呈现多种颜色并且是由不同土型组成的。

Instead, the dust is multicolored, pointing to a variety of different soil types.

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