This class is a markup extension implementation.

这个类别是标记延伸实作。

youdao

The escape sequence is not a markup extension and is not backed by a class.

转义序列不是标记扩展，不受类的支持。

youdao

The escape sequence is not a markup extension and is not backed by a class.

转义序列不是标记扩展，不受类的支持。

youdao