lactobiose

例句：

1. 1. The lactose in milk is essential for infants' growth.
   牛奶中的乳糖对婴儿的成长至关重要。
2. 2.Lactose intolerance is a common condition that affects many people.
   乳糖不耐症是一种常见的状况，影响了许多人群。
3. 3. This lactose-free yogurt is perfect for those with lactose intolerance.
   这种无乳糖酸奶非常适合乳糖不耐症的人。