Because it's working to defend us against many different kinds of potential assaults, the immune system has a diverse repertoire of responses that it uses in the face of these assaults.

免疫系统的工作就是抵御,不同种类的潜在威胁,免疫系统具备类型众多的免疫反应类型,以应对各种威胁

耶鲁公开课 - 生物医学工程探索课程节选

We did it for silly purposes just to see how big each data type was, but on most systems the size of a char is what?

只是为了很傻的目的,来看看每个数据类型多大，但是在大多数的系统中char的大小是多少呢？

哈佛公开课 - 计算机科学课程节选