我总是有一本有时甚至三至四本书在读！

I always have a book that I'm reading and sometimes I have 3 or 4!

youdao

我已经有三本书，我想买第四本。

I have three books. I want to buy a fourth one.

youdao

我突然想看过一本书说古代战略要地有九个：四角、四边和中原。

I suddenly think that I had read a book about ancient-war strategy place have nine: Four Corners, Four Sides and Central Plains.

youdao

我突然想看过一本书说古代战略要地有九个：四角、四边和中原。

I suddenly think that I had read a book about ancient-war strategy place have nine: Four Corners, Four Sides and Central Plains.

youdao