folio

• 指将一大张纸对折一次形成的两页（即四页）开本，或由这种纸张装订成的书；也指手稿或书籍中标有页码的一页或一张。

A noun referring to a large sheet of paper folded once to form two leaves (four pages) in a book, or a book made of such sheets; also used for a numbered page or leaf in a manuscript or book.

1. Sheet of paper or page numberC1formal

   A sheet of paper, especially one in a book or manuscript, or a page number in a book.

   纸张或页码

   • The manuscript was written on fine vellum folios.
   • Please refer to folio 23 in the original document.
   • The book's folios were numbered in Roman numerals.

   同义词pagepage numbersheet

2. Large book sizeC1formal

   A book made of large sheets of paper, typically about 15 inches tall.

   对开本

   • The library has a rare folio edition of Shakespeare's plays.
   • He collected antique folios from the 17th century.
   • The folio volume was too large to fit on the shelf.

3. Legal or accounting documentC2formal

   A numbered page or sheet in a legal document, ledger, or accounting record.

   文书页

   • The lawyer requested the folio containing the contract terms.
   • Each folio in the ledger recorded a separate transaction.
   • The accountant checked the folio for any discrepancies.

   同义词pagesheet