| 单词 | cowpox |
| 释义 | cow·poxBrE /ˈkaʊpɒks/ NAmE /ˈkaʊpɑːks/ noun [U ]a disease caused by a virus , which affects cows and can infect humans . The cowpox virus was used in making vaccines against smallpox牛痘（病毒引起的牛疾病，可传染人类；牛痘病毒过去用于制天花疫苗） |
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