cleance游隙
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
clean-class清洁级
clean tillage除草,清耕法
clean throughadj.穿洞
cleaning plan清洗方案
Clean Athlete清白的运动员
cleaning bath除尘浴
clean conduct行为干净
clean receipt清洁支付收据
clean process清洁工艺
clean a brush把刷子弄干净