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	file server filet filet filet lace filet mignon File Transfer Protocol filets filets mignons filial filial filiate filiated filiates filiating filiation filiations filibuster filibustered filibustering filibusters filiform filiforms filigree filigree filigreed

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。