clean-up
/ˈkliːnʌp/noun
1
- an act of making a place clean or tidy扫除; 整理：
an environmental clean-up.
环境净化。
1.1
- an act of removing or putting an end to disorder, immorality, or crime（秩序）恢复; （道德）整顿; （犯罪）清除。
2
- （亦作cleanup）[usu. as modifier] Baseball the fourth position in a team's batting order, usually reserved for a strong batter whose hits are likely to enable any runner who is on base to score【棒球】第四号位击球（一般交托可令跑垒队员得分的大力击球手完成）。