风吹得枯叶在四处回转.The wind whirled the dead leaves about.它可以用于回转式机器,也可以在水下应用.It can be used on rotating machinery and under water.回转频率也可以通过浅显的论证导出来.The cyclotron frequency can also be derived by an elementary argument....
制造合成角质的层试,导致了赛璐珞的产生.Celluloid resulted from efforts to produce a synthetic horn.赛璐珞的这一特性,使它再度受到了注意.This property has led to a revival of interest in celluloid.它们也可用外晶体材料,例如玻璃 、 赛璐珞或透明塑料等制造.They may also be manufactured f...
He lapsed into long silences or became offensively off-hand...他要么陷入长时间的沉默，要么变得简慢无礼。I thought his glance at me had been offensively bold.我觉得他对我的瞥视唐突无礼。He smelled offensively unwashed.他很脏,散发出难闻的气味.The group who had been sh...
压缩空气的喷吐使飞机的左右和前后都能保持稳定。Jets of compressed air gave the aircraft lateral and directional stability.高高的烟囱 喷吐 出黑烟.Tall chimneys belch [ vomit ] forth black smoke.工厂的烟囱向空中喷吐着浓烟.The factory chimneys puff dense smoke into the ...
Both the free hydroxyl groups readily undergo esterification.两个自由羟基,都容易酯化.The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.化学方法包括酸洗法 、 皂化法 、 酰化法和酯化法等.Iso - army gall...