这篇文章将把伟大站点的基本特征拆分成一些可以简单遵守的拇指规则（指经验法则，一种可用于许多情况的有用的原则）。
This article will break down the essentialcharacteristics of great Web sites into some easily followed rules of thumb.
弹指，轻击用一指尖压于拇指之下，然后突然松开的突变或轻轻一击。
A snap or light blow made by pressing a fingertip against the thumb and suddenly releasing it.
通功示指和拇指的牵推来节制牙线。
Control the floss by pinching it with index fingers and thumbs like this.
应用推荐