孩子们玩完后迅速收拾了玩具。

The kids did a quick ___cleanup of their toys after playing.

志愿者们在海滩进行清理工作，收集了大量塑料垃圾。

The volunteers conducted a ___cleanup on the beach and collected lots of plastic waste.

市长宣布将对市政部门进行一次全面整顿。

The mayor announced a major ___cleanup of the city departments.