noun 下载 🔗分享 乳糖 The disaccharide sugar of milk and dairy products, C12H22O11, a product of glucose and galactose used as a food and in medicinal compounds. Examples : "Many people who are lactose intolerant have trouble digesting milk and other dairy products because they can't properly break down the lactose. " 很多人有乳糖不耐受症,因为他们无法有效分解乳糖,所以很难消化牛奶和其他奶制品。 substance food chemistry biochemistry physiology medicine 与AI对话词汇游戏阅读练习