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...
Heavy thundery rain fell throughout Thursday.星期四下了一整天的雷暴雨。Thundery weather is forecast...天气预报说会有雷雨。Thundery weather is forecast.天气预报说会有雷雨。The weather had turned warm and thundery overnight.天气一夜之间就转暖，而且雷声阵阵。...
Pedro took the money - box to the club.佩德罗把钱盒子拿到了俱乐部.Pedro got up every morning before daybreak.佩德罗每天早上天还没亮就起床了。My friend Pedro works in the post office.我的朋友佩德罗在邮局工作.This, by Candela Cort for Pedro Miralles, redefines th...
a cutaway picture of the inside of a nuclear reactor核反应堆内部的剖面图Cutaway of the PW 4000112 - in ( 284.48 cm ) gas turbine engine, showing fan bypass section.涡轮发动机 剖面图, 展示风扇旁路部分.Cutaway View of the extrusion Press.挤压机横切图....