genus Bos
genus Bos-
The mature female of cattle of the genus bos .
小母牛指母牛属的成年雌性牛。
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Term not used technically ; essentially coextensive with genus bos .
非技术术语；本质上同延于牛属。
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Sometimes considered a subgenus of genus bos : american buffalo .
有时被认为是牛属的亚属名；美洲水牛。
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Comparative Studies on the Chromosomes of Five Species of Catties of the Genus Bos in China
我国黄牛属（Bos）五个种的染色体比较研究
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An adult castrated bull of the genus bos , especially b.taurus , used chiefly as a draft animal .
阉牛指一种成年的被阉割了的牛牛属尤指金牛主要被用作拉车的动物。
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Term not used technically ; essentially coextensive with genus Bos : cattle ; buffalo ; and sometimes includes kudu .
非术语词汇；本质上同延于牛属；家牛；水牛；某些情况下包括捻角羚。