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.（名词） A person or thing that cannot be known or understood; something unfathomable or puzzling.完全不懂的人，不了解的事：无法认识或了解的人或物；深不可测或迷惑不解的东西
随便看	whins whinstone whip whip whipcord whip hand whiplash whipped whipper-in whippersnapper whipper–in whippet whippets whipping whipping whipping boy whippings Whipple whippletree whippletree whippoorwill whippoorwills whips whipsaw whip scorpion

英汉双解词典包含166908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。