galactogen

例句：

1. 1. The baby needs to consume more milk to ensure proper growth.
   婴儿需要摄入更多牛奶以确保正常生长。
2. 2. The enzyme plays a crucial role in the digestion of dairy products.
   这种酶在乳制品的消化过程中起着至关重要的作用。
3. 3. Lactose intolerance is a common condition that affects many people.
   乳糖不耐症是一种常见的状况，影响着许多人。