milker
/ˈmɪlkə/noun
1
- a cow or other animal that is kept for milk, especially one of a specified productivity乳牛; 产乳动物：
the cows were no more than fair milkers.
这些母牛不过是一般的乳牛。
2
- a person that milks cows挤奶工; 挤奶者。