Use a pacer like a pen or your finger--as a focal point to draw your eye across the line or down the page. A pacer can help you increase your speed and reduce re-reading. A pacer can also help you to keep track of what you are reading.
5、使用“节奏器”，例如一支笔或手指，以在阅读一行或一页时，形成一种注视焦点。节奏器不仅能帮你提高速度，还能避免重复阅读，并协助了解阅读内容。

来源:可可英语 http://www.kekenet.com/read/201005/102998.shtml