[, ]the process of removing pollution （污染的）清理◆The clean-up of the river is going to take months.清理河流需要数月的时间。◆40 000 volunteers took part in the cleanup effort on the beaches.4 万名志愿者参加了清理海滩的工作。⨁a clean-up campaign / effort / operation / programme整顿运动／努力／行动／方案 () the act of making a company, an industry, etc. financially stronger, especially by reducing the amount of debt（尤指通过减少债务）促使财力雄厚◆a clean-up of bank and corporate debt银行和企业债务的减少