抗议者的清扫旨在华尔街的清理

短语讲解：

1. Anti-Wall Street demonstrators in New York City have pre-empted the official cleanup and potential dispersal of their protest by cleaning up the park where the action is taking place themselves. 

clean up打扫; 清理
例句：This room needs cleaning up.
这间房间需要打扫一下。
take place发生; 举行
例句：The threatening strike did not take place after all.
可能来临的罢工终究没有发生。

2. Protesters spent the night feverishly disposing of garbage and scrubbing down the park they are occupying, to head off a 7:00 a.m. official cleanup.

head off防止…发生
例句：They could think of no way to head off the inflation.
他们想不出避免通货膨胀的办法。

3. As the sun rose, several individuals, sensing victory in what protesters describe as a battle, brought back mattresses that had been removed in anticipation of a ban against their use at the park.

describe as描述为
例句：I should describe the attempt as a failure.
我认为这次尝试失败了。

4. Many also caught up on sleep, including Adam and Anna of Queens, New York.

catch up on赶做(尚未做的或忘了做的事)；弥补(工作、睡眠等)
例句：I have to catch up on my sleep.
我必须补充睡眠。

5. "This is going to keep going.  It is a global movement that is going to change the world.  People are not going to give up because of rain and park cleaning," said Anna.

give up 放弃;投降
例句：She will give up this journey.
她将放弃这次旅行。

6. Walesa said the profits must be invested in people. 

invest in在…上投资, 在…投入(时间、精力等)
例句：Capital can be safely invested in that company.
资金可以保险地投资于那个公司上。