Last week, Green School had a clean-up day.

上周，格林学校进行了一天的大扫除。

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If we start keeping the school clean, there'll be less work to do on clean-up day.

如果我们开始保持学校清洁，在清洁日就可以少做一些工作。

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I have got to organize the school clean-up day, but I don't know what to do.

我不得不组织一次学校的清扫日，但我不知道该做什么。

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And,the Oregon nonprofit SOLV has organized a clean-up day called SOLV IT.

VOA: special.2010.04.21

So turn on the Beatles or whatever you love, plant a tree, join a community clean-up day and get some little, easy weights to use at home.

FORBES: Living a Vigorous Life As We Age

We did an extension on a borough-wide clean-up day and went into Pollards Hill, brought in the RSL (registered social landlord) who helped with staff and equipment.

BBC: NEWS | UK | England | London | My London: 'We are the eyes and ears'

In 2012 they participated in Clean-up the World Day (an annual global conservation event to be held again on 20 to 22 September 2013) by leading hundreds of local school children in and around Nazareth, picking up garbage along the route.

BBC: Walking with Jesus in the Galilee