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- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- vacuum vector 真空矢量
- Sealed under low pressure or a partial vacuum. 抽空密封的在低压或部分真空状态下密封起来的
- Use menus to provide a pedagogic vector. 用菜单来提供一条学习的途径。
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- 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。
- That is transitory or semipersistent in its vector. 在它的介体中是属于中间的或半持久的。
- The vector product is said to be anticommutative. 可以说矢积是反交换的。
- Operating by means of suction or by maintaining a partial vacuum. 抽真空的用吸取的方式或用维持部分真空的方式来运作的
- These are inserted into a cloning vector. 它们被插入克隆载体。
- Angular momentum is an axial vector quantity. 角动量是一种轴矢量。
- The strain vector is a scalar quantity. 应变向量为一纯量。
- In other words, menus provide a pedagogic vector. 换句话说，菜单是一条学习的途径。
