"So they very quickly turn into about 13 tons per mile, and when you look at an eighty mile reach, it's phenomenal how much bio mass is taken up by these Asian Carp."

VOA: standard.2010.07.20

Please. It makes noise when you turn it off?

关机的时候会发出声音？

麻省理工公开课 - 固态化学导论课程节选

And when you turn the current off, the magnetic field collapses.

当你切断电流，电磁场就消失了。

麻省理工公开课 - 媒体、教育、市场课程节选

All right, so when you do a problem, the path is going to turn out be extremely important.

好，当你解题时，路径会变得,极其重要。

麻省理工公开课 - 热力学与动力学课程节选

But yet when you look back from the nineteenth century, these factors do count in explaining how countries turn out to be the way they are.

不过当你从十九世纪开始回顾历史,这些因素的确能解释,国家是如何转变成现在这样的

耶鲁公开课 - 欧洲文明课程节选

And so this one you didn't choose is then tainted and you turn and then when compared to a third one you favor that third one.

你第一次没选上的那粒就被打上污点了,当拿它和第三粒相比较时,你就会偏向于第三粒。

耶鲁公开课 - 心理学导论课程节选

All right, turn them off. If they have to make noise as you turn them off, turn them off, but that's it. So, when you walk through that door, it's an act of free will.

好了，把它们关掉，如果一定要发出声音,当关机的时候，也要关机，就这样，当你走进那扇门，这是自由意志的选择。

麻省理工公开课 - 固态化学导论课程节选

By the way, when we turn in concept sheets each week you'll have the option of turning them in either on Monday or on the Wednesday of that week, whenever you choose to do it is fine.

顺便说下,当我们每周收观点报告时,你们可以在当周周一,或者那周三上交,无论你选哪一天都是可以的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

When they separate, the primers that you've added automatically bind through the process of hybridization, and then you turn up the temperature to the optimum for Taq polymerase and DNA synthesis starts.

当双链解旋后,加入的引物就会在杂交的步骤中自动,和解旋后的DNA结合,然后你再将温度升高至,Taq酶的最适温度,DNA就开始合成了

耶鲁公开课 - 生物医学工程探索课程节选