milk serum

例句：

1. 1. The doctor prescribed a special milk serum for her to treat her allergies.
   医生给她开了一种特殊牛奶血清来治疗她的过敏症。
2. 2. The scientist analyzed the milk serum of cows to understand their immune system.
   科学家分析了奶牛的牛奶血清，以了解它们的免疫系统。
3. 3. The researchers found that the milk serum from cows had anti-bacterial properties.
   研究人员发现，牛的牛奶血清具有抗菌性质。