a herd of cattle 一群牛
a cattle shed 家畜棚
a cattle ranch 牧牛场
a head of cattle 一头牛
a parasite on cattle 牛身上的寄生虫
Cattle are a useful animal 牛是有用的动物
A stall for cattle 牛栏供养牛的隔栏
Now,most survive. As a result,many people have extra cattle to sell, and use the money to pay for school for their children.
VOA: special.2009.11.03
And in particular, dairy maids, whose responsibility was to milk cows, and so they had a very intimate relationship with cattle, often didn't get disease.
特别是挤奶女工,她们的工作就是挤奶,她们与奶牛有紧密的关系,通常不会得天花
But variola, which causes smallpox in humans, and vaccinia, which causes a disease called cowpox in cattle, turned out to be, we now know, viruses that are molecularly very similar.
但是导致天花的人痘病毒,和导致牛痘,的牛痘病毒,后来发现其实是,我们现在知道,这两种病毒在分子水平上十分相似
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