他为裁军运动和反对核武器扩散而奔走。He campaigned for peace and against the spread of nuclear weapons.原油泄露后的浮油很快在水面上扩散开来。A crude oil slick quickly spreads out over water.有关于分子扩散速度的数据。There are data on the rates of diffusion of molecules....
How dare you talk back to me!你竟敢跟我顶嘴!Don't talk back to your mother like that!不许和妈妈那样顶嘴.Not wanting to talk back either, he simply glared.也不愿还口.他只瞪了她一眼....
Too bad he used his intelligence for criminal purposes.他把聪明都用在了犯罪上，太可惜了。For all practical purposes the treaty has already ceased to exist.实际上协议已经不复存在。They emphasised that their equipment was for peaceful and not military...