The particle radius unit, the micron, is especially common and useful.粒子半径的单位是微米, 微米这个单位尤其普通和有用.Strip roughness must not exceed 40 microinch ( 1.0 micron ) order to achieve these minimum coat weights.板面粗糙度不能超过40微寸 ( 1.0微...
Boys and girls daydream about what they want to be.孩子们遐想着他们将来要干什么。I am inclined to daydream.我喜欢空想。He drifted off into another daydream.他飘飘然又做了一个白日梦。Do you work hard for success rather than daydream about it?你是否付出艰苦努力以取得成...