What's interesting really about X-ray really is, if you think about it, is that that technology is used for looking for cancer or looking for drugs, or looking for contraband or whatever.
关于X射线真正有趣的事情 是，如果你考虑到的话，是这项技术 是用来检查癌症和搜查毒品的 或者是走私物品之类的东西