folio
noun [ C ] uk/ˈfəʊ.li.əʊ/ us/ˈfoʊ.li.oʊ/ folios
对开本（尤指欧洲早期印刷的书籍）
a book made of paper of a large size, especially one of the earliest books printed in Europe
（书籍的）一页
a single sheet of paper from a book
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。