So, I mentioned at the beginning, while he was working with this radium bromide that I was very relieved to see that it did not kill him to do these experiments.

我在最开始就说了，由于他工作时接触到了溴化镭,我非常欣慰的,看到它做这些实验。

麻省理工公开课 - 化学原理课程节选

That doesn't seem right He's not dead on Monday ? How could I kill him on Monday?

似乎不是,他星期一还没死,我怎么可能在星期一杀死了他？

耶鲁公开课 - 死亡课程节选