"We discovered this bicycle co-op. You can come in there and just sort through a whole garage of old parts and they'll teach you how to basically build a bicycle from the scraps."

VOA: special.2011.05.20

CO Right, so you take the co here, and we take the valence here, and out of that comes covalent.

好了，然后我们看到，我们可以看到他的化合价，他们成共价键。

麻省理工公开课 - 固态化学导论课程节选

I feel like I have to introduce concepts like variance and co-variance and correlation in order to talk about finance; so that's what we'll do in Lecture Two.

我会讲到像方差,协方差,相关系数,这样的概念,为金融学的内容作一些铺垫,我们会在第二课讲到

耶鲁公开课 - 金融市场课程节选

"which was one of the key indicators that we used." Paul Hanle is president of the Biotechnology Institute, which co-sponsored the study.

VOA: standard.2009.11.25

> And Karen. Okay. So just to illustrate this point, and then we'll actually use this in a co-oriented environment.

>，还有Karen，好的，先说明这一点，然后我们将在一个co-oriented的环境中使用这个。

哈佛公开课 - 计算机科学课程节选

So yes,I feel very strongly we have a co-responsibility."

VOA: standard.2009.03.25

We're here with everybody, with friends from work, co-workers.

我们和大家来这儿，和工作中的朋友，同事。

中央公园的时光 - SpeakingMax英语口语达人

Co-chair Richard Young. "We are hoping to send out a message to people in Darfur that there are people who still care, people who worry about them and people willing to work and take to the streets to support their needs and their cause."

VOA: standard.2010.05.23

Sure. No, we actually met through a co-worker.

当然。我们其实是通过同事认识的。

第一次与妻子见面 - SpeakingMax英语口语达人

Huge, and one of the things that I argue in this book and also in the Princeton Projiect on National Security which I co-directed with John Ikenberry over the last three years is we have been singel-mindedly focused on the war on terror.

很大，我在这本书中试图说明一点,在普林斯顿国家安全项目中也试着强调,这一项目在过去3年内由我和约翰伊肯伯里共同负责,那就是我们仅仅盯在了一点上,我们盯着恐怖主义战争不放。

普林斯顿公开课 - 国际座谈会课程节选