What was neat about it is before that time, the predominant species to use for air conditioning or refrigeration was ammonia.

在这之前是很整洁的，之前最主要的用于空调或者冰箱的,物质是氨。

麻省理工公开课 - 固态化学导论课程节选

for example, in the exams I take time to like figure out what words I want to use

比如说，考试的时候我要费时间想我要用哪个词，

来自西班牙的留学生 - SpeakingMax英语口语达人

We control how we use time, we control the temperature in the environment, and hermetically seal ourselves in things.

我们控制时间的利用，我们控制周边环境的温度,我们把自己封闭在各种事务中，与世隔绝。

普林斯顿公开课 - 人性课程节选

This is the sort of thing that people who do numerical programming worry about all the time. And there are a lot of a little tricks they use to deal with that, they'll perturb it a little bit, things like that.

这是一些做计算编程,要时刻注意的问题,当然有的时候我们还需要,应对一些假象，比如像这样被扰乱的。

麻省理工公开课 - 计算机科学及编程导论课程节选

If the question of time is not explicitly brought up, then you should know that you have to use this formula.

如果时间的问题并没有明确提出,那你应该知道,必须要用这个式子

耶鲁公开课 - 基础物理课程节选

And we talked about the equation you can use for radial nodes last time, and that's just n minus 1 minus l.

我们讲过这个用于,计算径向节点的方程，也就是ｎ减去ｌ减去１

麻省理工公开课 - 化学原理课程节选

Research on subjective wellbeing-- the term that psychologists use to capture happiness essentially has been going on for very, very long time.

对幸福的研究-,心理学家用这个词来描述快乐,已经进行了很多年。

哈佛公开课 - 幸福课课程节选

It's a common mistake to make if you forget that I've actually declared that variable up top, but wait a minute, I know any time that I use a variable, I have to declare it.

这是一个通常犯的错误，如果你忘了,之前在前面已经声明了这个变量，等等，我知道在任何时候,我使用一个变量，我必须声明它。

哈佛公开课 - 计算机科学课程节选

This is important because we use this all the time for when, when we do technology.

因为当我们做技术工作,的时我们一直在用它。

麻省理工公开课 - 热力学与动力学课程节选

Actually it sort of strucks me like that that's certain message sort of time and I think of computer now. People always use them. I thought that save us time. Some've seemed to have more work.

事实上在某种程度上它震慑到我,那是某种关于时间的信息,此刻我想到了电脑，人们总是应用它，我以为,它节省了时间，但人们似乎有更多了事要做了。

麻省理工公开课 - 电影哲学课程节选

Everyone agree because 5 is bigger than 1, and 5 is bigger than 4, so Up is and to use a technical term we'll define formally next time Up is the best response to Left.

大家都知道5大于1,5也大于4,所以选上是,以后我们就要用术语来说了,选上是左的最佳对策

耶鲁公开课 - 博弈论课程节选

Contact lens technology has changed dramatically from the time that I was born to the time that you were born, and the contact lenses you use today are much different than the ones that would have been used 30 years ago.

从我出生,到你们出生的时间段里,隐形眼镜技术发展的很快,你们现在使用的隐形眼镜,与三十年前使用的,已经有天壤之别

耶鲁公开课 - 生物医学工程探索课程节选

You can use it all the time.

在任何时候你都可以用到这个句型。

Is there 课堂 - SpeakingMax英语口语达人

But in practical purposes most of the time, they didn't-- they just mixed these together and they might use different things.

但实际上大多数情况下，她们并没有。。。,而是把财产混合在一起了。

耶鲁公开课 - 新约课程节选

This is a kind of argument that we use all the time.

这是我们常用的一种论证方式

耶鲁公开课 - 死亡课程节选

I don't think it's good use of time.

我觉得这样浪费时间。

普林斯顿公开课 - 国际座谈会课程节选