大部分口头语言正在受到威胁，有灭绝的危险，这种情况对英国人来说是个严重的问题。

That most of these are now threatened and may disappear is a serious matter to the people in Britain.

youdao

大部分口头语言正在受到威胁，有灭绝的危险，这种情况对英国人来说是个严重的问题。

That most of these are now threatened and may disappear is a serious matter to the people in Britain.

youdao