英语短语词组词汇a 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	a closed book
释义	a closed book a subject that you do not understand or know anything about不理解的事，一无所知的事; 谜:•Chemistry is a closed book to me.我对化学一窍不通。
随便看	osiered osierlike osiers osiest Osirian osirian Osiris osiriss -osis OSIS -osises -osity OSlav Osler's disease Osler, Sir William Oslo osloes Osmanli Osmanlis osmanthus osmanthuses osmanthuss osmatic osmatically Osmeridae

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