X光是1895年由德国物理学教授威廉·孔拉德·伦琴发现的一种波长极短，能量很大的电磁波。
原声例句
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This is a chest x-ray that would be taken in your doctor's office, for example, or a radiologist's office.
这是一张胸部的X光片,人们会在医生的办公室,或放射科医生的办公室之类的地方见到它
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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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Suppose we had X-ray vision and could see through the building.
假设我们有X光,可以看穿仓库。
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