Also, shows you something about the challenge of it, because we are susceptible to attack from lots of different kinds of microorganisms.

同样也向你们展示这其中的一些挑战,因为我们也容易受到,各类微生物感染的危害

耶鲁公开课 - 生物医学工程探索课程节选

The reason is that because of the ways that different microorganisms take the ways the different microorganisms reproduce and damage cells and tissue within your body, you need different ways to respond to them effectively.

因为不同的微生物以不同的方式,以不同的方式繁殖,和损害体内的组织和细胞,你需要多种有效的免疫反应来对付它们

耶鲁公开课 - 生物医学工程探索课程节选