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	ethic genitive ethician ethicians ethicism ethicist ethicist,ethician ethicists ethicize ethicized ethicizes ethicizing ethics ethics's ethidium ethidium bromide ethidium (bromide) ethidium bromides ethine ethines ethinyl ethinyls ethion ethionamide ethionamides ethionine

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。