1. A vacuum cleaner that has two extension wands.
   带有两截延长把手的真空吸尘器
2. It would be a great help to have a vacuum cleaner.
   吸尘器可以帮大忙。
3. Dirt and dust are drawn into a vacuum cleaner by suction.
   污物和灰尘被吸入吸尘器。
4. He goes downtown for a vacuum cleaner.
   他去闹市区买吸尘器
5. Some pumps and all vacuum cleaners work by suction.
   有些泵和所有的真空吸尘器都是藉吸力工作的.

　1个名词解释