清洁工人

例句：

1. 1. The cleaners were hard at work to make the room spotless.
   清洁工们正在努力让房间变得一尘不染。
2. 2. The cleaners had to clean up after the party.
   清洁工们在派对结束后不得不清理现场。
3. 3.The cleaners were very efficient and did a great job.
   清洁工们非常高效，工作做得很好。