lactosen.乳糖lactose intolerance乳糖不耐受lactose fermentation乳糖发酵lactose-polylysine乳糖化多聚赖氨酸lactose malabsorption乳糖吸收障碍, 乳糖吸收不良lactose-barium meal乳糖钡餐lactose isomerisation乳糖异构化作用lactose coliform count乳糖大肠菌类计数lactose litmus gelatin[医] 乳糖石蕊明胶(培养基)lactose-free feeding去乳糖饮食lactose intolerance.乳糖过敏