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...
她那强硬而世故的外表下掩藏着一颗温柔而敏感的心。Her rather tough and worldly exterior hides a very soft and sensitive heart.鲍勃是个通晓世故的人, 干吗不去听听他的意见 呢 ?Bob is a man of the world; why not go to him for advice?“ 应该这样, " 世故的经理说道, " 看到他们这样真让人高兴. ”�...
He completed his BSc in chemistry in 1934.他1934年获得了化学专业的理学士学位。He has a BSc in Chemistry.他是化学理科学士.Clean the fan plenum filters for all of the BSC cabinets.清除BSC机柜所有风扇组的过滤网....