居民们每月都会参加海滩清理活动。

Local residents participate in monthly beach ___clean-ups.

政府启动了一系列环境清理行动来解决污染问题。

The government launched several environmental ___clean-ups to tackle pollution issues.

后卫在比赛最后时刻的关键解围保住了球队的胜利。

The defender's crucial ___clean-ups in the final minutes secured the team's victory.