页清除器(cleaner)可用，并且被数据库管理器激活。

A page cleaner is available and is activated by the database manager.

youdao

本实用新型公开了一种空气烟气清除器，属于空气净化装置。

The utility model discloses a clearer for flue gas in air and belongs to an air purifier.

youdao

但是在此之前，它修改onmouseup处理程序，除了当前在做的事情以外，它还调用清除器，以自动清除所有东西。

But before it does this, it alters the onmouseup handler so that in addition to whatever it already does, it invokes the remover, cleaning everything up automatically.

youdao

So, let's see this eraser actually never works very well so I'm just going to draw below it.

这个清除器不能很好地运行,我将在下面画出它。

哈佛公开课 - 计算机科学课程节选