sweeper

n 1 (a) person who sweeps 清扫者; 清洁工: a pavement sweeper 打扫人行道的清洁工人. (b) thing that sweeps 清扫器: a carpet sweeper 地毯清扫器. 2 (in football) player positioned behind the defenders to tackle anyone who passes them （足球比赛的）自由中卫.

swatter, sway, swear, swear-word, swearer, sweat, sweat-band, sweat-gland, sweat-shirt, sweat-shop, sweated labour, sweater, sweaty, swede, Sweden, Swedish, sweep, sweep clean, sweep off, sweep sb. off his (her) feet, sweeping, sweepings, sweepstake, sweet, sweet corn, sweet pea, sweet potato, sweet talk, sweet-and-sour, sweet-briar (also ,sweet-brier), sweet-talk, sweet-william, sweetbread, sweeten, sweetener, sweetening, sweetheart, sweetie, sweetish, sweetly,