挤奶机

例句：

1. 1. The farmeruses a milking machine to collect the milk from the cows.
   农民使用挤奶机从奶牛身上收集牛奶。
2. 2.The milking machine is essential for dairy farms.
   挤奶机对于乳品农场来说是必不可少的。
3. 3. The milking machine has improved efficiency and reduced labor costs.
   挤奶机提高了效率并减少了劳动力成本。