But Air India chairman Jadhav has said there were no problems with the airport runway, and the pilot who landed the ill-fated aircraft had done so many times previously, and was highly experienced.

VOA: standard.2010.05.23

This should all sound incredibly familiar, like I'm just repeating myself in terms of photoelectric effect, because essentially that's what I'm doing, and that's one reason we spent so much time and did so many problem-set problems on the photoelectric effect.

这应该听起来极其熟悉，就像我在重复自己在讲光电效应时所说的话，因为基本上我正是在这样做，这也是我们在光电效应这个问题上,花这么多时间,做这么多习题的原因之一。

麻省理工公开课 - 化学原理课程节选

And so for many, many problems, especially on exams, especially on this first exam, you will be able to say that this is the relationship between internal energy and temperature.

对于很多问题，特别是考试中的问题，你们要能够说出来,这是内能与温度的关系。

麻省理工公开课 - 热力学与动力学课程节选

But it's all different degrees of terrible, if you will, because so many people in the population share that biological vulnerability and when the environment changes, we have the problems.

只要愿意,这造成的恐慌程度是不同的,因为在人群中有很多这样的群体,他们都有这种生物易损性,当环境发生变化时,就会出现问题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So there's plenty of room to still innovate in that way, to develop new methods that could protect against diseases like AIDS or diseases like malaria that we don't have problems with here but they do in many parts of the world, and so we'll talk about that.

我们还有很长的路要走,研究一些新方法以预防艾滋病这样的疾病,或者像疟疾这样尽管在我国没有威胁,但在世界很多地方还很严重的疾病,我们也会讲到这些

耶鲁公开课 - 生物医学工程探索课程节选