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单词 cowpox
释义

cow.pox
HkaJ7pBks, $-pB:ks
n [U]
a viral disease in cattle that results in the formation on the skin of small swellings containing liquid
牛痘
The cowpox virus was used in the past to vaccinate humans against smallpox.
牛痘病毒过去被用来为人类接种以预防天花。
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更新时间：2026/2/13 4:40:32