The book is being used as the text book in his school.

这本书在他的学校里正在被用作教科书。

youdao

I see is "the man in a case" that in a text high school language book.

装在套子里的人这篇文章中，套子的含义是什么。

youdao

I see is "the man in a case" that in a text high school language book.

装在套子里的人这篇文章中，套子的含义是什么。

youdao