cowpox [ˈkaʊpɑ:ks]

例句:

• Jenner inserted pus taken from a cowpox pustule and inserted it into an incision on the boy's arm.
  来自BBC
• One day a girl came to see him who had a cowpox sore on her hand.
  一天一个女孩儿来看他,女孩儿手上有个牛痘疮.
  
• The discovery of the cowpox vaccination let the danger of vaccination more less, and cost lest.
  牛痘术的发明使种痘的危险性更小, 花费也降到最低,故而很快在全世界推广开来.
  
• In nineteen century, Enligh doctor Pearson came to Macao to spread the cowpox vaccination.
  到19世纪时, 英国医师皮尔逊到澳门推广牛痘术.
  
• Jenner subsequently proved that having been inoculated with cowpox Phipps was immune to smallpox.
  来自BBC