英语词汇operculum的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	operculum
词根词缀	Online Etymology Dictionary operculum n. 1713, from Latin operculum "cover, lid," from operire "to cover, close" (see weir), with instrumental suffix *-tlom. Related: Opercular.
随便看	subtle subtlety subtly subtotal subtract subtraction subtrahend subtropical subtropics suburb suburban suburbanite suburbanization suburbanize suburbia subvention subversion subversive subvert sub voce subway suc suc- succ succedaneum

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