By now you should have quite a few CSS selectors for each image Sprite.

目今你已经对每个精灵中的图片有一些CSS选择器。

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Setting the class combines the image Sprite info from the CSS with the link, showing only that region of the Sprite.

用CSS和链接设置类，将精灵的信息组合起来，只显示精灵的一部分。

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With image sprites, you will have CSS selectors for each link that display only a portion of the image Sprite - effectively showing just the image you need.

有了图片精灵，你将要用CSS选择器对每个只显示精灵中部分图片的链接进行处理：只要你需要的那部分。

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