galactocrasia

例句：

1. 1.Many people suffer from lactose intolerance, which can cause discomfort during digestion.
   许多人患有乳糖不耐症，这会导致消化不适。
2. 2. The doctor advised her to avoid dairy products if she had lactose intolerance.
   如果患有乳糖不耐症，医生建议她避免乳制品。
3. 3. Lactose intolerance is a common condition that affects many people around the world.
   乳糖不耐症是一种常见的状况，影响全球许多人群。