This is a way for the immune system to recognize things that are going wrong inside the cell protected from antibodies.

这是免疫系统识别,抗体不能识别的细胞内病变的方法

耶鲁公开课 - 生物医学工程探索课程节选

And he was right; they got immunity and were protected from smallpox when it affected their community.

他是对的,当天花在周围流行时,他们具备了对天花的免疫力

耶鲁公开课 - 生物医学工程探索课程节选

So now the blood of the sacrificial lamb is said to have protected the Hebrews from the angel of death, and the bread now is said to have been eaten, consumed in unleavened form, because the Hebrews left Egypt in such a hurry.

这羊羔的血可以保护,犹太人逃脱死亡天使的杀戮,要吃没有发酵的面包，因为犹太人匆匆忙忙的离开了埃及。

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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