英语词汇“a closed book”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	a closed book
释义	a closed book a person or subject that is unknown or beyond comprehension chemistry is a closed book to him See full dictionary entry for book
随便看	apophyses apophysial apophysis apoplast apoplectic apoplectical apoplectical apoplectically apoplex apoplexy apoprotein apoptosis apoptotic aporetic aporia aport aposematic aposematically aposiopeses aposiopesis aposiopetic apositia apositic aposporic aposporic

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