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。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Hunger had reduced the dog to skin and bone. 由于饥饿这条狗瘦成了皮包骨。
- 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。
- He is reduced almost to a skeleton. 他瘦得几乎变成了一个骨头架子。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- They were reduced to begging or starving. 他们穷得不行乞便挨饿。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- The enemy were reduced to the small island. 敌人被困在那个小岛上。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- The seller reduced the price for cash down. 那销售者对现款交易的顾客减价优待。
- 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
- After the election the party was reduced to a rump. 选举之后，该党的党员所剩无几了。
- The stream is reduced to a mere trickle in summer. 夏天那条小河的水量减少，成了涓涓溪流。
- The officer was reduced to the ranks. 这军官被降为士兵。
- Borax must be reduced to powder for infants. 硼砂必须研成细粉才能供婴儿使用。
- The cancer victim was reduced to skin and bones. 那个癌症患者瘦得皮包骨。
- It was poverty that reduced her to prostitution. 是贫困迫使她卖淫。
