一个小浮动窗口,可将图标拖放到任意包含侧边滚动条的窗口,将以指定的速度对此窗口的内容进行向下向上滚动, 用于自动阅读.-A small floating window, you can drag and drop icons to any side scroll bar contains a window to a specified speed of the contents of this window down scroll up for automatic reading.