What happens when that recognition takes place is that your immune system gets activated, and the activation that happens usually involves two things.

当识别进行时会发生什么呢,那时免疫系统会激活,免疫系统的激活通常包含两个过程

耶鲁公开课 - 生物医学工程探索课程节选

We now know what the scientific basis of that is, it involves activation of our immune system.

我们都知道这样做的科学依据,这牵涉到激活你的免疫系统

耶鲁公开课 - 生物医学工程探索课程节选