对于胃肠道缺乏乳酸酶或喝鲜牛奶容易腹泻的人, 可改喝酸奶.The enzyme lactate gastrointestinal lack of fresh milk to drink or diarrhea, may be diverted volunteers....

“乳酸酶”的英语可以翻译为：[医] lactalase，lactolase ...