第三人称复数：sweepers
名词清道夫; 清扫器; 打扫者，清洁工; 扫海船，扫雷艇
1. 清道夫：垃圾收集的实现包含两个组件:清道夫(Sweeper)和垃圾收集器(Garbage Collector). 清道夫是一个后台线程,功能是标识并清理垃圾版本,并更新垃圾统计计数. 清理工作包含释放句柄、从版本链中删除、删除引用这一版本的索引等,
2. 清道夫,拖后中卫：right back 右后卫 | sweeper 清道夫,拖后中卫 | cheer team 拉拉队
3. 扫把：head of screwdriver起子头 | sweeper扫把 | mop拖把
1. (足球中的)自由中卫
In football, a sweeper is a player whose position is behind the main defenders but in front of the goalkeeper.
1. The teenager was with a girl when the sweeper asked if they had littered with a cigarette box.
sweeper
noun
1. little-known nocturnal fish of warm shallow seas with an oblong compressed body
2. \u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
2. a cleaning implement with revolving brushes that pick up dirt as the implement is pushed over a carpet
Synonym: carpet sweeper
3. an employee who sweeps (floors or streets etc.)