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。
- I buy him a drink in return for his help. 我请他喝酒以酬谢他的帮助。
- 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。
- We look forward to the return of spring. 我们期待着春天的到来。
- He avowed that he would never return. 他声明他决不回来了。
- 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。
- He makes a return and go back to the hotel. 他掉转车头，驶回饭店。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- He might think it polite to return the visit. 他可能认为回访比较合乎礼仪。
- He swore by his honour he would return the bike. 他以自己的名誉发誓一定归还自行车。
- The normal return fare to New York is fifty-six. 去纽约的来回票标准价是56元。
- He assist me with my income tax return. 他帮助我填写所得税申报单。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- He neglected to return his income tax form. 他忽略了所得税表格的申报。
- Dust thou art, and unto dust shalt thou return. 你本是尘土就该归於尘土。
- 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
- He went off to the war never to return alive. 他去参加战争，没能活着回来。
