So these organisms like this are abundant in the world around us and our immune system prevents us from getting sick most of the time.

在我们周围充斥着像这样的生物体,而免疫系统在大多数时候能够抵御疾病

耶鲁公开课 - 生物医学工程探索课程节选

This will lead us into a discussion of sort of bioengineering of the immune system, in particular, and we're going to talk next week about vaccines.

我们会借此展开对,免疫系统的生物医学工程化的讨论,下周我们将讲到疫苗

耶鲁公开课 - 生物医学工程探索课程节选