Definition: someone whose job is to clean houses, offices, public places, etc. Level: A2
我妈妈是一名办公室清洁工。
My mum is an office ___cleaner.
我们的清洁工每周三来。
Our ___cleaner comes on Wednesdays.
我在一家银行当清洁工。
I work as a ___cleaner in a bank.
