短语词组短语closed -book exam 闭卷;闭卷考试He Closed The Book 他合起书And Closed My Book 并关闭我书Snapped closed the book surface 啪的合上书面like a closed book 被迫有趣Closed book to me 象天书一样A Closed Book 合上的书;高深莫测的事物;未揭开的秘密;不理解的事 返回 closed book