"I think he ought to do what General Petraeus did and that is decide on exactly the number he needs and we debate it and the president makes the ultimate decision,".

VOA: standard.2009.08.23

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

So hopefully, the first experiment he did, which I know that they certainly did do was maybe it's just background noise, right?

做的第一个实验，我相信他们肯定,是这样做的？

麻省理工公开课 - 化学原理课程节选

It was against the law for Julius Caesar to do that, but he did it anyway.

恺撒这么做是违法法律的，但他就是这么做了。

耶鲁公开课 - 新约课程节选

I'll do this again, not this whole lecture but that part again-- and he did it because you can't build barricades across boulevards, wide ones.

就这个部分,我会再讲一遍的,他如此做的另一个原因是,在这种宽大的街道上是无法建造街垒的

耶鲁公开课 - 1871年后的法国课程节选

But it's really interesting the studies that he did do with radium bromide, and he was studying the alpha particles.

但他用溴化镭,做的研究十分有意思，他研究的是alpha粒子。

麻省理工公开课 - 化学原理课程节选