noun🔗Share羧基 A univalent functional group consisting of a carbonyl and a hydroxyl functional group (-CO.OH); characteristic of carboxylic acids."The presence of a carboxyl group distinguishes carboxylic acids, like citric acid in lemons, from other types of organic molecules. "羧基的存在使得像柠檬酸这种羧酸，与其他类型的有机分子区分开来。chemistrybiochemistrycompoundsubstanceChat with AIVocabulary GamePractice Reading
