名词 “cleaner”
单数cleaner,复数cleaners或不可数
- 清洁工
The cleaner arrives early each morning to tidy the classrooms and empty the bins.
- 吸尘器
The robotic cleaner moves around the house, picking up dust and dirt.
- 清洁剂
You'll need a strong cleaner to get rid of those grease stains in the oven.