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	nondrinker nondrinking nondrip non-drip nondriver nondrug nondrying nondurable none nonearning none at all none but sb none but sth noneconomic noneconomist nonedible noneditorial noneducational noneffective nonego nonelastic nonelect nonelection nonelective nonelectric

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