clean-up

clean-up
ˈclean-up , clean‧up /ˈkliːnʌp/ noun [countable usually singular]
a process by which you get rid of dirt or waste from a place:
    The cleanup of the oil spill took months.
    millions of dollars in clean-up costs

clean-upBrE /ˈkliːn ʌp/ 🔊NAmE /ˈkliːn ʌp/ 🔊 noun [usually singular] the process of removing dirt, pollution, or things that are considered bad or immoral from a place 清扫；清除（污染物）；清理；整顿◆the clean-up of the river河流清理◆a clean-up campaign整顿运动