clean 保持辦公室～整齊keep the office clean and tidy/注意～衛(wèi)生pay attention to sanitation and personal hygiene/～成癖make a fetish of tidiness and hygiene/～能源clean energy;pollution-free energy/～生產(chǎn)clean production/～提單clean bill of lading/～工(house)cleaner,housekeeper,garbage collector