“挤奶”造句

晚上通常在7点半左右挤奶。
The evening milking is usually done at about 7.30pm.

我们每天给乳牛挤奶.
We milk the cows daily.

按照事情发展的自然规律，母牛每天应该挤奶两次以上。
In the natural course of events cows would wish to be milked more than twice a day.