Memory cells are long lasting cells that remember this exposure and can respond very quickly on second exposure.

记忆细胞可以长时间记忆与抗原的接触,并在再次免疫中迅速做出应答

耶鲁公开课 - 生物医学工程探索课程节选

It's not just that your whole immune system gets revved up and it's going to respond more rapidly to any antigen it's exposed to.

并不是整个免疫系统都得以加强,免疫应答会对,以前接触过的抗原做出的应答更加迅速

耶鲁公开课 - 生物医学工程探索课程节选