lactating dairy cows

• 奶牛

lactating dairy cows的用法和样例：

例句

1. Cows were domesticated to provide us with milk.
   驯养奶牛是为了给我们提供牛奶。
2. On many farms you will find cows and chickens.
   在许多农场你都会看到奶牛和鸡。