1 [C] a person whose job is to clean the rooms and furniture inside a house or other building 清洁工: an office cleaner 办公室清洁工

2 [C] a substance or a special machine that you use for cleaning sth 去污剂；清洁用具: liquid floor cleaners 地板去污水a carpet cleaner 地毯清扫器 ☞Look at vacuum cleaner. 参看vacuum cleaner。

3 the cleaner's=DRY-CLEANER'S