您要查找的是不是：
- 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。
- Your satisfaction is guaranteed. 包你满意。
- It's guaranteed to rain when you want to go out. 你想出门，天准下雨。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Bad breath is guaranteed to turn a woman off! 有口臭管保让女子兴趣顿失！
- 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 swimmer bought a special watch guaranteed against water damage. 那个游泳运动员买了一块保证不受水损害的特殊手表。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- 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
- The food guarant from the additive. 该食品保证不含添加剂。
- Perfect satisfaction is guaranteed to our customers. 保证我们的顾客完全满意。
- guaranteed vacuum 保证真空
- 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。
- 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
- The radio is guaranteed for twelve months. 收音机保修12个月。
