Cells can stop in their lifetime at some point in the cell cycle and persist for long periods of time.

细胞生命期可以停止在细胞周期的某个点,并保持很长时间

耶鲁公开课 - 生物医学工程探索课程节选

Many of them say it's remarkable that they were never pushed to the point where they want to gun at their classmates, because they feel like they know what kinds of experiences these young boys went through.

很多人认为不可思议,这两个凶手竟然会被逼到这个份上,拿着枪对这自己的同学，因为他们觉得他们知道,这些青少年男孩子们所经历的一切。

麻省理工公开课 - 媒体、教育、市场课程节选

Now we're going to take up our heroes at their next point."

现在我们要让英雄进行下一个目标“

耶鲁公开课 - 新约课程节选

Or they--sometimes they just shut down their stock markets at some point.

或者他们某些时候,关闭了股票市场

耶鲁公开课 - 金融市场课程节选

Nobody bring up their papers at this point.

现在不能交论文了。

耶鲁公开课 - 心理学导论课程节选

And they did that by intentionally infecting calves, by harvesting their skin when they were at a certain point of the disease, and by isolating the virus from the skin of the calves.

他们有意感染很多小牛,当小牛疾病发展到一定程度,就收割牛皮,然后把病毒从牛皮里分离出来

耶鲁公开课 - 生物医学工程探索课程节选

I think the essential element, in my mind, that makes it a crime is the idea that they decided at some point that their lives were more important than his, and that, I mean, that's kind of the basis for really any crime.

就我的认知，我觉得最重要的一点，之所以说他们构成犯罪,是他们认为，某种程度上，自己命比派克更重要，而这正是一切犯罪的动机。

耶鲁公开课 - 公正课程节选

Now, usually at this point somebody in the lecture hall raises their hand and says, Well, my boyfriend or my girlfriend and I are complete opposites ? and how do you account for that, Professor Salovey?"

经常讲到这里,课堂上会有人举手并发言，我和男朋友/女朋友,是两个完全不一样的人,萨洛维教授，你对此作何解释“

耶鲁公开课 - 心理学导论课程节选