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。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- 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。
- He broke away from that lawless group years ago. 他在几年前脱离了那个非法团体。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- The group of barbaric soldiers killed many people. 那群野蛮的士兵杀了很多人。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- The group was made up of doctors. 这个团体是由医生组成的。
- 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。
- A group of boys dashed out of the classroom. 一群男孩子从教室里冲出来。
- I come upon a group of children play in the street. 我遇到一群孩子在街上玩耍。
- He goes about with a group of nice boys. 他经常和一群好孩子在一起玩。
- He is a the most brisk young man in this group. 他是这个小组中最活跃的年轻人。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- He showed me a photo of a family group. 他给我看一张合家欢的照片。
- The chief accountant of a manufacturing group. 一个制造业集团的总会计师。
- The hunting group had good sport today. 今天打猎小组满载而归。
- I stand out in a group interview. 在集体面试中脱颖而出。
