cleanadj.干净的；纯洁的；完全的；空白的；正当的；精准的adv.完全地n.清洁v.打扫；清扫；擦，刷cleansteel洁净钢Cleanthousn.克利安瑟斯clean area净化室clean fuel清洁燃料clean awayadj.擦去(揩去)clean boot净化启动clean downvt.刷干净clean will志洁cleanhandedadj.清廉的clean plate干净盘子