Read Edit View history 羧基 suōjī carboxyl group Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 羧基 · suōjī · carboxyl group 2026/03/04 羧基 suōjī carboxyl group carboxyl group -COOH 羧基是羧酸的特征官能团。 noun created sense Mar 4, 2026, 02:25 AM