Then he would fall down on the floor again like a ball of dirt and start rubbing the side of his head with his back foot as if he had no idea he had been doing any more than any frog might do.

VOA: special.2009.08.29

The first step to insight is to ask questions like why do things fall down and not up?

起初的洞察力是问问题,为什么物体坠地而不是上升？

耶鲁公开课 - 心理学导论课程节选

And you know, that's tough for them but you know what, if you fall down,

对他们来说很难，但是如果你摔倒了，

不要放弃 - SpeakingMax英语口语达人

American Nick Symmonds won his 800-m semifinal heat, despite having three runners in front of him trip and fall down.

VOA: standard.2009.08.22

And I imagine the first person who articulated the question aloud probably met with the response saying, "What a stupid question. Of course things fall down."

我想象第一个人,大声提出这个问题,可能得到这样的回答，多么愚蠢的问题，物体当然下降“

耶鲁公开课 - 心理学导论课程节选

If the lead climber were injured in a fall from any higher up, the belayer could not get him down.

VOA: special.2009.12.09

We don't have the time here to go case, by case, by case, and ask ourselves, "How does the evidence fall down one side versus the other?"

我们这里没有时间一个接一个地,看这些例子 然后问,这个证据是怎么让一方打倒另一方的

耶鲁公开课 - 死亡课程节选

Last fall we turned down temperatures,down into the 50s in this greenhouse, which initiates flower buds."

VOA: standard.2010.02.21

Everybody's going to put the cup down and assumes it's going to stay there but not fall to the floor.

每个人放下杯子时,都会假设杯子会稳稳地搁在那里,而不是掉在地上。

普林斯顿公开课 - 人性课程节选

"It is going to require more work, but I think that we can get something accomplished there and we can lock down loose nuclear weapons that could fall into the hands of terrorists."

VOA: standard.2009.05.19

And if you go to the website and look down here, 02 Fall Term '02.

如果你上那个网站，看到下面这里，秋季学期。

麻省理工公开课 - 固态化学导论课程节选

Well let's see. My fall back is, I could just do linear search, walk down the list one at a time, just comparing those things. OK. So that's sort of my base. But what if I wanted, you know, how do I want to get to that sorted list? All right?

我只能做线性搜索了,一次遍历一遍列表，一个一个比较，但如果我想要,那怎样得到有序的列表呢？,现在的一个问题是，我们排序之前？

麻省理工公开课 - 计算机科学及编程导论课程节选

Well, yes, of course things fall down, but why?

对，物体当然下降，但为什么？

耶鲁公开课 - 心理学导论课程节选

And this is why the humor-- why the damage is often a certain sort of damage involving things like embarrassment, sex, scatology, a banana peel, pie in the face, your pants fall down or something, where there's no real harm.

这就是为什么幽默-,所涉及的伤害通常都是,涉及尴尬，性，不雅语言，香蕉皮，摔到脸上的派，掉裤子之类的，这些情况没有造成真正伤害。

耶鲁公开课 - 心理学导论课程节选

If you take enough alcohol, it then goes down to inhibit the excitatory parts of your brain and then you fall on the floor and pass out.

如果你摄入足够的酒精,就会抑制在你大脑中起兴奋作用的脑组织,之后你便醉倒了

耶鲁公开课 - 心理学导论课程节选