We can go back to ancient Egypt where there khemeia is reference in the hieroglyphs to term khemeia, which, among other things, meant chemical processes for embalming the dead.

我们可以追溯到古埃及,那的象形文字提到了词语,这是，在其他事情当中，意味着,化学过程处理防腐尸体。

麻省理工公开课 - 固态化学导论课程节选

Hopefully their immune systems will respond to it like the real virus but it won't be capable of replication because we've chemically cross linked it so it can't go through its life cycle.

人体的免疫系统,就会对该病毒产生免疫应答,但灭活的病毒不能复制,因为我们已经对它做了化学处理,使它无法进入生命周期

耶鲁公开课 - 生物医学工程探索课程节选