英语词汇“a closed book (to somebody)”的释义、用法及例句-英汉例句词典-鸿札记

词汇	a closed book (to somebody)
例句	Idiom Nuclear physics is a closed book to most of us.
随便看	crackle crackled crackles crackling crackly crack on crack on (with something) crackpot cracks crack somebody up crack the whip crack up crack wise -cracy cradle cradled cradle-rob cradle-robber cradles cradle-snatch cradle-snatched cradle-snatches cradle-snatching cradling craft

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