spring cleaner

例句：

1. 1. The springcleaners are busy cleaning the streets.
   春季清洁工正在忙着打扫街道。
2. 2. The springcleaners have been working hard to keepthe city clean.
   春季清洁工一直在努力保持城市的清洁。
3. 3. The spring cleaners areresponsible for keeping the streets and parks clean.
   春季清洁工负责保持街道和公园的清洁。