英语词汇closed book怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	closed book
释义	closed book 1. 不知道的事；不理解的事 Nuclear physics is a closed book to me. 我对核物理一窍不通。 2. 不需再考虑的事；已解决(或已了结)的事
随便看	coliphage coliphages coliseum Coliseum coliseums colistin colistins colitic colitic colitis colitises coll- coll. Coll. collab. collaborate collaborated collaborates collaborateur collaborating collaboration collaborationism collaborationisms collaborationist collaborationists

英汉双解词典包含548777条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。