N-PLURAL Cattle are cows and bulls. 牛
...the finest herd of beef cattle for two hundred miles.
…方圆200英里内最佳的肉牛群。
The scientists say the current level of diversity within cattle breeds is at least as great as within humans.
VOA: special.2009.05.05
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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