a person whose job is to sweep something 打扫者;清扫者;清洁工 a road sweeper 马路清洁工
a thing that sweeps something 清扫器;清洁器 a carpet sweeper 地毯清洁器
(in football (soccer) )足球 a player who plays behind the other defending players in order to try and stop anyone who passes them Topics Sports: ball and racket sportsc2自由中卫;清道夫