And in particular, dairy maids, whose responsibility was to milk cows, and so they had a very intimate relationship with cattle, often didn't get disease.

特别是挤奶女工,她们的工作就是挤奶,她们与奶牛有紧密的关系,通常不会得天花

耶鲁公开课 - 生物医学工程探索课程节选

If the sheep grows up in the right way, and people have shown that this will work, you can milk the sheep, the sheep has milk, the milk has insulin in it.

如果绵羊正常生长,人们已经证明这的确可行,你可以为绵羊挤奶,绵羊会产奶,而羊奶中有胰岛素

耶鲁公开课 - 生物医学工程探索课程节选

And he hypothesized that they were getting the disease in cows, which the disease from cows that caused a milder disease than smallpox, and that protected them from getting the more severe forms of smallpox later.

他假定奶牛将这种疾病传染给挤奶女工,这种源自奶牛的疾病比天花更温和,它保护女工们,免受更为严重的天花感染

耶鲁公开课 - 生物医学工程探索课程节选