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。

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

youdao

背景属性载入精灵图片，然后设置背景图位置为负值（其必为负）。

The background attribute loads the sprite and then sets the background position to 336 pixels over - it must be negative.

youdao

精灵宝可梦有个提示菜单栏，你可以自学（如果你设法去找到它在设置菜单里），但它就是这样。

Pokémon GO has a tips menu that you can bring up on your own (if you manage to find it in the settings menu) but that's it.

youdao