Within 20 degrees of separation from you initial smile to the three people, the entire world will be smiling.

只需要20度的分隔,从你用笑容感染三个人开始，全世界就会笑起来。

哈佛公开课 - 幸福课课程节选

So I've gotten, you know, to travel the world and meet amazing people like you guys.

所以，我就能，嗯，全世界各地旅行，然后碰见你们这样棒的人。

必须掌握两门语言 - SpeakingMax英语口语达人

But then also a little bit about your history, where you come from, some of your experiences which have helped you or informed your opinions on this very difficult issue that the entire world really is spending a lot of time trying to work on.

然后再谈谈你们各自的经历，你们从何而来，谈一些你们自己的经历,一些帮助过你们，或形成了你们,就这个复杂问题的观点,这个全世界都在投入大量时间试图解决的问题。

普林斯顿公开课 - 人性课程节选

So, that's what a vaccine is, and vaccination is the process of taking that vaccine that you've developed and giving it to people, either individual people or groups of people, or as we'll talk about today, people all over the world.

这就是疫苗,接种疫苗的过程就是生产疫苗,并把它分发给大众,不论是给个人还是给群体,或者就像我们今天所说的,给全世界的人民

耶鲁公开课 - 生物医学工程探索课程节选

And then they found that they could freeze-dry this preparation of virus, and freeze-drying to lower the temperature, freeze it, then extract out all the water, so you're left with a powder, basically a powdered form of the virus, that could be shipped all over the world, and then reconstituted by adding water to it.

研究者们发现可以冷冻干燥这些病毒制剂,冷冻干燥就是就是降低温度,冷冻病毒,然后提取出所有水份,然后就剩下一些粉末,这主要是粉末状的病毒,这样就能将它运往全世界,并可以通过加水来恢复病毒的活性

耶鲁公开课 - 生物医学工程探索课程节选