Other, less-widely supported pseudo-classes include: first-child, : link, : visited, : active, and: focus and: lang. Note that a pseudo-class can be applied to a specific element type, like this.

还没有得到广泛支持的其他伪类包括：first - child、：link、：visited、：active、：focus和：lang。

youdao

Other, less-widely supported pseudo-classes include: first-child, : link, : visited, : active, and: focus and: lang. Note that a pseudo-class can be applied to a specific element type, like this.

还没有得到广泛支持的其他伪类包括：first - child、：link、：visited、：active、：focus和：lang。

youdao