in folio

例句：

1. 1. The book is in the first folio, which means it's the first edition.
   这本书是第一册，意味着它是第一版。
2. 2. The author has published several books in different folios.
   这位作者已经出版了多部不同版本的书。
3. 3. The new edition of the classic novel is now available in folio format.
   这部经典小说的新版本现在以第一册格式提供。