a cow in milk

• 产奶的牛

a cow in milk的用法和样例：

例句

1. What do you call a cow that cannot give milk?
   你是如何称呼一头无法产奶的奶牛的？
2. But even then they are smaller than most sheep and milk goats.
   但它们还是比大部分绵羊和产奶的山羊个子要小。