The source of electrons in an electron microscope is a heated filament.电子显微镜中的电子源,是一加热的灯丝.Characterzation: high quality quartz bulb, biplanar filament which enables increased illumination, uniform color temperature and l...
The store detective was keeping a close eye on a suspected shoplifter.商店的保安当时正严密监视一个可疑的商店扒手。And this bottle of perfume is a clue to the shoplifter's identity.这一瓶香水则是确定商店扒手身份的线索.The shoplifter’s day of reckoning came...
如果下雨外出,你会淋湿的.If you go out in the rain you'll get wet.如果你不带雨衣出去,你就要冒淋湿的危险, 因为可能下雨.If you go out without a raincoat you risk getting wet, because it may rain.他不愿冒被淋湿的危险,因为他只有一套衣服.He didn't want to risk getting w...