羧 suō carboxyl group Origin Definitions Defs Strokes Stroke Words Sentences Sents 羧基 suōjī carboxyl group carboxyl group -COOH羧酸 suōsuān carboxylic acid 羧基酸 suōjīsuān carboxylic acid 羧甲司坦 suōjiǎsītǎn carbocysteine Sources Frequency data MTSU Chinese text computing