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	beké Bekés Bekésy audiometry Bekésy,Georg von Bel Bel. belabor belaborer belabour belabourer belah be laid on one's back bel air be landed with be lapped in luxury belar be large for Belarus Belarus Rouble belaruss Belarussian belarussians Belasco, David belat belated

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