It says urinary tract infections increased more than three and a half percent after a surgical operation.

VOA: special.2010.05.25

A lot has happened since the exuberant optimism of the political spirit that we see in a tract like Areopagitica.

弥尔顿在《论出版自由》中发表了极为乐观的政治思想之后,政治形势发生了很大变化。

耶鲁公开课 - 弥尔顿课程节选

You've got the flu, you've got influenza in your upper respiratory tract, your cells are making more influenza.

你就此得了流感,你得了上呼吸道流感,你的细胞正在制造更多流感病毒

耶鲁公开课 - 生物医学工程探索课程节选

The most common are infections of the urinary tract, surgical site and bloodstream.

VOA: special.2010.05.25

Now, as I mentioned, the official purpose of the tract is the political subject of licensing.

现在，就像我提到的，宣传小册子最正式的目的就是支持出版许可这个政治主题。

耶鲁公开课 - 弥尔顿课程节选

"Sixty percent of the infections were pneumonias,about 20 percent were infections inside the abdomen and about 15 percent were infections of the urinary tract,"

VOA: standard.2009.12.08

So there are certain facts about the digestive tract such that if you think about them you can't do something, kiss the person.

所以有某些关于消化道的事实,如果你考虑了它们，你就不能做某件事了，亲吻别人。

耶鲁公开课 - 死亡课程节选

On a 9.6-hectare tract of land . on the Texas coast south of Houston, a start-up company from Florida called Algenol, in partnership with the Dow Chemical company, plans to build more than 3,000 bioreactors,starting next year.

VOA: standard.2009.09.02

Of course when molecules get absorbed through the intestinal tract they become part of your internal environment.

当然,分子在被肠道吸收后,就成为身体内环境的一部分

耶鲁公开课 - 生物医学工程探索课程节选

You breathe it in, it infects the cells of your respiratory tract, and the virus begins to reproduce, and then it spreads throughout your body.

你将之吸入,病原体感染了呼吸道细胞,病毒开始繁殖,接着传遍你的全身

耶鲁公开课 - 生物医学工程探索课程节选

Here Milton is elaborating on the details of his anticipation of his undying fame. This is a polemical tract about a new way in which the Anglican church government should be organized.

在这儿弥尔顿详细的讲述了他对自己,不朽之名的期望，这是一个关于英国国教教会,政府要采取新的组织方式的论辩文。

耶鲁公开课 - 弥尔顿课程节选

This diagram is supposed to make you think about the intestinal tract, this tube that runs through our bodies and allows us to acquire nutrients from the environment.

这幅图意在,让你们考虑一下肠道,这个贯穿我们身体的管道,使我们能够从环境中吸收营养

耶鲁公开课 - 生物医学工程探索课程节选

That virus is reproducing inside cells of your respiratory tract.

病毒在你的呼吸道细胞内繁殖

耶鲁公开课 - 生物医学工程探索课程节选

This is a picture of the female reproductive tract.

这是一张女性生殖系统的图片

耶鲁公开课 - 生物医学工程探索课程节选

It's sort of like the digestive tract story.

这是和消化道故事差不多的故事。

耶鲁公开课 - 死亡课程节选

You can see this region here is going to develop into one of the upper limbs, the arms here and the back is different from the front, the spinal cord is developing in the back, whereas, the structures that become our intestinal tract is developing on the other surface.

你能看到这个区域,将会发育成为上肢,这里是手臂,而且身体前后也有不同,脊椎正在后背发育,另外,会成为我们肠管的结构,也在另一个表面发育着

耶鲁公开课 - 生物医学工程探索课程节选

Now, well, you're making out after having had dinner, and while you're sitting there making out, food is making its way down Peggy Sue's digestive tract, being turned into shit.

现在，你们在吃完饭后亲热，当你们坐下来亲热时，食物正沿着Peggy，Sue的消化道向下走，正要变成大便。

耶鲁公开课 - 死亡课程节选