乳糖 rǔtáng lactose Origin Definitions Defs Strokes Stroke Words Sentences Sents 半乳糖 bànrǔtáng galactose a monosaccharide sugar (C6H12O6) found in dairy products and also known as brain sugar乳糖不耐症 rǔtángbùnàizhèng lactose intolerance 半乳糖血症 bànrǔtángxuèzhèng galactosemia