noun🔗Share环衬，蝴蝶页 Either of two folded sheets of paper used to connect the front and back covers of a book to the first and last pages"The librarian carefully repaired the loose endpapers of the old book to keep the cover attached to the pages. "图书管理员小心地修复了这本旧书松脱的环衬（蝴蝶页），以确保封面和书页连接在一起。literaturewritingmaterialpartstructureChat with AIVocabulary GamePractice Reading
