I faxed 10 hotels in the area to check room size.我给该地区10家旅馆发了传真，核实房间大小。I faxed a copy of the agreement to each of the investors.我给每个投资人都传真了一份合同。I faxed a first draft of this article to him.我将这篇文章的初稿传真给他了。...
The container is invisible until you shine an ultraviolet light on it.那个柜子只有用紫外线照射才可以看见。It's called ultraviolet rays.它被叫做紫外线.The ozone layer surrounding the earth protects our skin from being hurt by the ultraviolet...