单词	cowpox
释义	cowpox /ˈkaʊpɒks / noun [mass noun] A viral disease of cows' udders which, when contracted by humans through contact, resembles mild smallpox, and was the basis of the first smallpox vaccines.The process induced cowpox, a mild viral disease that conferred immunity to smallpox.... A spouse and child came down with a mild case of cowpox. At the end of the 1700s, Jenner realized that people who had contracted cowpox, or ‘vaccinia,’ didn't get smallpox.
随便看	disc harrow dischuffed dischurch dischurching disciferous disciform discincture disciple disciplehood disciple-like discipleship Disciples of Christ discipless disciplic disciplinable disciplinal disciplinant disciplinarian disciplinarianism disciplinarily disciplinary disciplinated disciplination disciplinatory discipline

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