It's nice, though, only in that it will give us an opportunity to fill in the blank.
这是美好的,虽然,只有在那个里面它才会给我们一个机会,来填充那个空白表格。
and they think it's very special to see our show. So they come up to us and they want to give us something to,
他们认为我们的秀很特别,所以才来和我们握手,
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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