kerning
n. 字距调整
v. 使（铅字面）上下突出（kern 的 ing 形式）
例句
But the method used to adjust kerning to adjust.
没办法，只好用调整字距的方法来调整。
However, forget about kerning for now, spend your time on other things.
但我们现在先暂时把它忘记，先花点时间看看另外的东西。
In the sketch you only see some examples where the kerning pair is negative; reducing space.
图中只出现了字距配对为负的例子——缩减空间。
