And, not too many people, actually, if you talk to your grandmother or grandfather, there were some refrigerators that were actually made that used ammonia.

但是，并非太多的人，如果你会对你的祖父，祖母谈谈，或许有一些冰箱,实际上是用氨。

麻省理工公开课 - 固态化学导论课程节选

Just sort of like, if there's something that you can't really get, you know,

如果有一些你真的理解不了，

教英语 - SpeakingMax英语口语达人

If you don't do that, there's a danger you will learn something you don't have to, and we don't want that.

但是如果你不来,你就有可能学到一些不重要的知识,我们当然不希望这样

耶鲁公开课 - 基础物理课程节选

This was when you had this big track, and if you have wandered around different Greek cities that are dug up, some of them will have the hippodrome there, and you can see how huge they were.

里面是大型赛道，如果你参观过发掘出土的希腊城市，有一些会有赛马场，非常宏伟巨大。

耶鲁公开课 - 新约课程节选

So if you have some charge in the nucleus, but you also have repulsion with another electron, the net attractive charge that a given electron going to feel is actually less than that total charge in the nucleus.

所以如果在原子核中，有一些电荷但是你也有来自，另一个电子的排斥力,那么一个给定电子的,吸引电荷感觉到的事实上,小于原子核中的总电荷。

麻省理工公开课 - 化学原理课程节选

Imagine, if you will, that there were certain locations, certain vacation spots, where as long as you were there you couldn't die.

想象一下，如果你愿意的话，有一些特定的地点，特定的旅游景点，只要你呆在那，你就不可能死。

耶鲁公开课 - 死亡课程节选

So if you've got putty or terminal up on the screen, -- and you're having some trouble that's really best seen with -- in that natural environment, we can actually see sort of tech-support style on the right-hand side what you're doing, and you can see everything we're doing.

所以如果你有Putty软件或者终端机在屏幕上，你遇到一些麻烦来显示最佳状态-,在那个自然环境中，我们可以看到很多,技术支持类型,在你们做的东西的右手边，你们可以看我我们在做的一切。

哈佛公开课 - 计算机科学课程节选