dust extractor

例句：

1. 1.The dust extractor is very useful for cleaning up the floor.
   吸尘器对于清理地板非常有用。
2. 2.The vacuum cleaner made a great difference in cleaning the house.
   吸尘器在打扫房子时起到了很大的作用。
3. 3. We use a vacuum cleaner to clean our carpets regularly.
   我们定期使用吸尘器来清洁我们的地毯。