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 bookn. a subject about which one is ignorant 不知道的事，不理解的事
随便看	golly golly GOM gombeen gombeen man -gon gonad gonadal gonadotrophic hormone gonadotrophin go nap go native gondola gondolier gone gone a million go near gone away! gone goose gone on goner gone to earth gonfalon gonfalonier gong

英汉双解词典包含94788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。