lac.tose
n.（名词）A disaccharide, C2H 22O , found in milk, that may be hydrolyzed to yield glucose and galactose. 乳糖：一种双糖，分子式为，它存在于牛奶中C2H 22O ，在水中水解时产生葡萄糖或蔗糖 A white crystalline substance obtained from whey and used in infant foods, bakery products, confections, and pharmaceuticals as a diluent and excipient.Also called milk sugar 乳糖：一种从乳清中提炼出的白色结晶物质，用作婴儿食物、面类制品、糖果和药的稀释剂和赋形剂也作 milk sugar
