“乳牛”造句

乳牛的喂养方法发生了巨大的改变。
The feeding of dairy cows has undergone a revolution.

不能既想卖乳牛,又想喝牛奶.
You cannot sell the cow and sup the milk.

大多数乳牛约10个月后就不再有奶了.
Most cows run dry in about 10 months.