英语语法分析

PgUp Cycle to the previous camera position.

循环上一个视窗视角位置。

Reclaim your PgUp and PgDn keys from the Flash player to scroll the entire page, or add the cnee — record — mouse option to re-enable your scroll wheel.

从Flash播放器取回PgUp和pgdn键来滚动整个页面，或添加cnee——record——mouse选项重新支持滚轮。