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 n. 1.(person)莫测高深的人 (subject, technology)一窍不通的事物 2.(concluded matter)已了结的事
随便看	bladder senna bladder worm bladderwort bladderworts bladderwrack bladdery blade bladed bladed -bladed blade grader bladeless bladelike blade of grass blader bladers blades blade-shearer blade-shearing blade slap bladework blade–like blading blading bladings

英汉双解词典包含368430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。