特别是挤奶女工,她们的职责就是挤奶,因此她们与牛有着非常亲密的关系,通常不会得天花。
In particular, dairy maids, whose responsibility was to milk cows, and so they had a very intimate relationship with cattle, often didn't get smallpox.
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
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
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