灯丝在电灯中电加时成白炽状态。A fine wire is heated electrically to incandescence in an electric lamp.电子显微镜中的电子源,是一加热的灯丝.The source of electrons in an electron microscope is a heated filament.电子从热灯丝逸出,叫做热电子发射.The liberation of electron...
...youngsters who prefer burgers to meat and two veg.喜欢吃汉堡胜过吃两素一荤传统菜式的年轻人All she does is veg out in front of the telly.她成天清闲地泡在电视前.The brown mush in the fridge is some veg soup left over.冰箱里的棕色糊状东西是一些剩的蔬菜汤。They ordered a...
Thousands are desperately trying to leave their battered homes.成千上万的人不顾一切地想要离开他们千疮百孔的家园。Frank Mariano negotiates the desert terrain in his battered pickup.弗兰克·马里亚诺驾驶他那辆破烂不堪的皮卡车成功穿越了沙漠地带。He pulled on a battered old crash ...