cows

• Cows were grazing in the field .
  牛在野外吃草。
• It seems that peaceful cows may be unfriendly bulls .
  看来温顺的母牛也可能变成凶恶的公牛。
• Cows supply us with milk .
  母牛供给我们牛奶。
• The cow had broken her tether and was in the cornfield .
  那牛弄断了系绳，跑到玉米田里去了。
• Each cow normally produces only one calf at a time .
  在一般情况下，一头母牛每次只能产一头牛犊。
• Cows supply us milk .
  母牛供给我们牛奶。
• In the distance you can see the cows quietly eating the grass .
  远处，你可以看见牛在悠闲地吃草。
• In a case of hypomagnesaemia in a cow there is no physical lesion .
  一例低镁血症病牛并无器质性损害。
• The cow supplies milk .
  这头牛有奶。
• A milk cow is a female, a bull is a male of the same animal .
  奶牛是母牛，而公牛则是这种同类动物的雄牛。