A carnivorous diet is more appetising than a vegetarian one as the former contains more protein.荤食比素食更可口,因为前者含有更多的蛋白质.Their appetising hot meal contrasted with the instant noodles and biscuits offered at other food stati...
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...