乳牛场主

例句：

1. 1.The cows are milking the cows in the barn.
   奶牛们在牛棚里挤奶。
2. 2. The farmer needs to pasteurize the milk before it's sold.
   农民需要将牛奶进行巴氏消毒后才能出售。
3. 3. The cream is used for making ice cream.
   奶油用于制作冰淇淋。