n. 真空；真空吸尘器；空白。adj. 产生（利用）真空的。v. 用吸尘器打扫。vacuum 语法：在科技用语中vaccum的复数形式是 vacua。读音：英 ['vækjuəm]、美 ['vækjuəm]。用法：用作名词 (n.)The food is kept in the absolute vacuum.这食物保存在绝对真空中。I ...
英音：['vækjuəm]美音：['vækjuəm]名词 n.1.真空[C]We could not pull apart two plates which enclosed a vacuum.如果两个盘子间是真空,我们就无法将它们分开。2.(心灵的)空白,空虚[S]Her husband's death left a vacuum in her life.她丈夫的死使她的生活...
