Lye is a strong substance that cleaned the clothes well.

VOA: special.2010.03.28

and a lot of that has been cleaned up which I think is a good thing.

很多这类的东西都被清理了，我认为这样很好这是件好事。

过去的时代广场 - SpeakingMax英语口语达人

You just forget where the memory is that you asked for on the heap and it's not going to get cleaned up on the stack because malloc puts it somewhere else.

你忘了你在堆中申请的内存在哪里,它将会被栈清除,因为malloc把它放在别的地方。

哈佛公开课 - 计算机科学课程节选