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 1. 不知道的事；不理解的事 Nuclear physics is a closed book to me. 我对核物理一窍不通。 2. 不需再考虑的事；已解决(或已了结)的事
随便看	this and that this and that this and (或 or) that Thisbe thisbes this child this day fortnight this day month this day week this here this is it this is it This is the life! This is where we came in. this life this moment this mortal coil this much this much thisness this or that this side of this side of the grave this star this that and the other

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