What's going on now is helping less developed countries like those in East Africa to come up to speed and be prepared for this sort of event,"

VOA: standard.2009.04.28

So, let me go had and let's swivel this around for just a moment so we have a blank slate and now what's really going on?

我把它旋转一下,这样就有一块空白了,到底发生了什么呢？

哈佛公开课 - 计算机科学课程节选

OK, now one last thing that he did is that he said, OK, what's going on here?

现在他做的最后一件事就是他说，这儿怎么了？

麻省理工公开课 - 固态化学导论课程节选

Now that's okay as long as you understand what's going on and it's reasonable for your health.

只要人们知道自己的饮食习惯,及这么做对健康是有益的,那就没问题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Now, we need to be careful here about what's going on.

用这个理论来解释时需要小心了。

耶鲁公开课 - 心理学导论课程节选

And that's all that's big enough to pass through or small enough to pass through. And if we go up even just one row on the periodic table to potassium, what we actually see is now that it's going to be too large, and, in fact, a potassium solvated with one water molecule won't go through our channel.

就是这样刚好大到它通过,或者说刚好小到它通过,即使我们再沿着周期表往下走仅仅一行到钾离子，我们看到的就将是它的个头太大了，实际上，溶解于一个水分子的单个钾离子,不能穿过我们的通道。

麻省理工公开课 - 化学原理课程节选

To suggest that that couldn't be relevant evidence is like saying I can't tell you anything interesting about what's going on in the hallway right now, because after all I'm not in the hallway; I'm here in the lecture hall.

要说这些都是不相干的经验,就好比说我现在不能告诉你,走廊上发生了什么,毕竟我不在走廊上,我在教室里面

耶鲁公开课 - 死亡课程节选

Now let's go inside the atom to try to understand what is going on.

现在让我们进人原子的部分，试着,理解那是怎么回事。

麻省理工公开课 - 固态化学导论课程节选

Those of you who are familiar with what's going on in New York City may know that if you're in a New City restaurant now you cannot eat trans fats, because trans fats have been banned from the restaurants.

你们中间对纽约很了解的人,可能知道在新城饭店,你吃不到含有反式脂肪的食物,因为餐厅里面全面禁止该种食物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选