清洁工

例句：

1. 1.The cleaners are busy cleaning the floors.
   清洁工们正在忙着打扫地板。
2. 2. The janitor is responsible for maintaining the cleanliness of the school.
   清洁工负责维护学校的清洁。
3. 3. The cleaners use a special vacuum to remove dirt and dust.
   清洁工们使用特殊的吸尘器来吸走灰尘和污垢。