如果见不着丝薇亚… 哪种光才算光? …

What light is light if Silvia be not seen?

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等到实际比赛时，球员们才震惊发现，光凭克洛泽身后三个年轻人的速度和灵性就可以将整个英格兰对生吞活剥了去。

There was an element of shock (and awe) in the way that England were taken apart by the pace and agility of the three men playing behind Miroslav Klose.

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其最早出口到中国的商品包括一台末代皇帝溥仪御用X光机。 此机最近才于紫禁城一处储物间里被发现。

One of its first exports to China was a personal X-ray machine for the use of the last emperor which was only recently discovered in a storage room in the Forbidden City.

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But for now let's simply say that we have a diffraction which we know occurs only by wave-like behavior and it involves the use of x-rays. Why x-rays?

但现在让我们来简单假设一下,我们知道,只波才发生衍射,而且衍射涉及了X光的使用，为什么是X光？

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