lactosen.乳糖lactose fermenters发酵乳糖lactose itolerance乳糖不耐症lactose synthetase乳糖合成酶lactose hydrolysis乳糖水解lactose inducement乳糖诱导剂lactose-free diet无乳糖膳食lactose-free milk无乳糖奶lactoseazithromycin乳糖酸阿奇霉素lactose monohydrate乳糖一水合物<药用辅料>lactose litmus agar[医] 乳糖石蕊琼脂