cleaning doctor

例句：

1. 1. He is acleaning doctor who specializes in air andwater quality.
   他是一名专门从事空气质量和水质的专业清洁医生。
2. 2. The cleaning doctor was calledto the scene immediately after the accident.
   事故发生后，清洁医生立即被叫到现场。
3. 3.The cleaning doctor used a special solution toremove the stains from the carpet.
   清洁医生使用了一种特殊的溶液来去除地毯上的污渍。