英语短语词组词汇closed book的音标、释义、翻译、用法及例句-英语短语词组词典-老街网

短语	closed book
释义	closed book a subject or person about which one knows nothing 完全理解不了的科目; 完全理解不了的人： accounting has always been a closed book to me. 会计学对我来说一直是一门完全理解不了的科目。
随便看	linguisticss linguistic stock linguistic typology linguistic universal linguistic universals linguistry linguists lingula Lingulacea lingulae lingular lingulas lingulate lingulated Lingulida linguo- linguocentric linguodental linguodentals linguoid ripple mark lingy linhay linhays linier Liniers

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