So, here we have a picture of Dmitri Mendeleev, who is one of the scientists responsible for first compiling the periodic table.

这是一张德米特里？门捷列夫的画像，他是最早制作,元素周期表的科学家之一。

麻省理工公开课 - 化学原理课程节选

And one of the reasons that's most responsible for that is that humans aren't dying at as young an age from infectious diseases as they did three or four hundred years ago.

最重要的一个原因就是,人们不会在年轻的时候死于传染性疾病,而这在三四百年前确实会发生

耶鲁公开课 - 生物医学工程探索课程节选

HIV infection and AIDS is the one that comes first to mind, and is responsible for this slide, I think this is data from a few years ago, 700,000 deaths per year.

IV感染和艾滋病是我们第一个想到的,在这幅幻灯片上也提到了,我想这是几年前的数据了,每年死亡七十万人

耶鲁公开课 - 生物医学工程探索课程节选