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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 preliminary draft or record of a transaction. 条约草案合约的预备性的草案或纪录
- 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。
- His initial reaction was one of shock. 他最初的反应是震惊。
- The initial `h' in `hour' is not aspirated. hour一字中起首的h不发送气音。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- An introductory occurrence or fact; a preliminary. 开端预兆性事件或事实; 开端
- The attacks jumped of without the usual preliminary bombardment. 没有通常的预先轰击,进攻就开始了。
- 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
- A preliminary examination of an accused person. 预审对被指控的人的初步审查
- Our team got beaten in the preliminary rounds of the competition. 我们队在这次比赛的预赛中遭淘汰。
- The start or initial stage; the outset. 开始,开端开始或初始阶段
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- After she'd overcome her initial shyness, she became very friendly. 她克服了开始时的羞涩之后,就变得非常友善。
- 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。