The researchers suspect that the newborn c-section babies might be picking up their generic bacteria mix from the air - one way bacteria gets on our skin.

VOA: standard.2010.06.30

At each cross-section, people are either willing to use a certain sign in a certain way or they're not.

在每一个横街面上，人们可以自由的,以自己的方式使用符号。

耶鲁公开课 - 文学理论导论课程节选

But that way you can give me Monday to change your section if you need to, which I hope you won't.

如果需要的话，你们可以在周一换组，虽然我不希望你们改。

哈佛公开课 - 幸福课课程节选

Access to a Caesarean section to relieve the pressure of obstructed labor is the most common way of preventing an unborn child from pressing so tightly in the birth canal that it cuts off blood flow to surrounding tissue.

VOA: standard.2009.12.23

When structuralism thinks about how yesterday things were different from the way they are today, it has to say: yesterday there was a certain synchronic cross-section of data, and today there's a slightly different synchronic cross-section of data.

结构主义想,昨天的事情和今天的事情如何不同时，它不得不说：,昨天有某个数据的同步剖面，今天有数据的略微不同的同步剖面。

耶鲁公开课 - 文学理论导论课程节选

So it's worth knowing in a general way what you need to do to earn a good grade in discussion section and here the answer is, perhaps the obvious one, you need to participate.

现在值得让你们知道什么是你们要做的,去得到好的分数在课堂讨论并且答案是，也许最显然的一个是，你需要去参与。

耶鲁公开课 - 死亡课程节选

Franny and Zooey I will stop there, and please bring both On the Road and Franny and Zooey to section this week. And, by the way, one last thing: If you've been sketchy about your section attendance, I suggest that you try to pull up your socks and go.

我就说到这吧，下节课把On，the，Road和,两部小说带来课堂，顺便说一下，最后一件事：,如果你们的课堂出勤率已经很差了，我建议你们努力一点来上课。

耶鲁公开课 - 1945年后的美国小说课程节选