牛种是指牛种类总称！牛属或近缘属的成员。哺乳动物,体型粗壮,角中空,由头骨向两侧呈大弧度伸出，牛（拉丁学名：Bovine），属牛族，为牛亚科下的一个族，牛--草食性，部分种类为家畜（包含家牛、黄牛、水牛和牦牛）。体型粗壮，部分公牛头部长有一对角。
牛种
双语例句原声例句
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比如说，美国百分之九十的牛奶来自于霍斯坦牛种。
Ninety percent of the U.S. milk supply, for example, comes from the Holstein breed of cattle.
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自从第一只羊被克隆以来，已经有几十种动物被克隆了，包括老鼠、猫、牛和最近的一只狗；而且越来越明显的是，这些动物都有这样或那样的缺陷。
Dozens of animals have been cloned since that first lamb—mice, cats, cows and, most recently, a dog—and it's becoming increasingly clear that they are all, in one way or another, defective.
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这是一片充满了各种羚羊的土地——还有原牛，一种已经灭绝的牛。
This was a landscape where antelope of all kinds abounded—along with Bos primigenius, a kind of oxen that has become extinct.
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And he started with a similar but different observation, and that was that cows get a disease that's very similar to smallpox.
他首先观察到一种类似但不同的情况,就是牛得了一种很像天花的病
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And he produced a fluid from cowpox lesions, so these were these lesions, these skin lesions on cows.
他生产出一种取自牛痘,即牛皮肤上的瘢痕的液体
应用推荐
$firstVoiceSent
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