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

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

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

The time-ins are about thinking about how can I take in the ideas and use them.

练习时间“是关于如何接受和利用一些观点。

哈佛公开课 - 幸福课课程节选

This is the slide that I left on last time and the idea here was to use plasmids, which I talked about last Thursday, to introduce genes into animals.

这是我上节课没讲完的一张幻灯片,这里的思路是利用,上周四所讲过的质粒,以将基因导入动物体内

耶鲁公开课 - 生物医学工程探索课程节选

the word "Jew" isn't something we can really historically use until about this time , so most of our period we're going to be talking about the ancient Israelites to become an Israelite, you simply joined the Israelite community, you lived an Israelite life, you died an Israelite death.

关于Jew这词历史上,直到公元前500年才开始用，所以我们的大多数时间,将会讨论古以色列人,成为一个以色列人，你只要加入以色列人社区，按以色列人方式生活，按其方式安葬。

耶鲁公开课 - 旧约导论课程节选