"Freshman,sophomore, junior,senior year, you know exactly what anyone is going through at any point in time during the year.

VOA: standard.2010.05.12

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

And, at one point in time, he laments the end of the old Latin world and the B.C. world, when people could have these child slaves.

在某一时刻，他为拉丁时代和公元前时代的结束而哀悼，那时人们可以拥有小孩做奴隶。

耶鲁公开课 - 1945年后的美国小说课程节选

At this point in time, they are only allowed to use the money for IMF purposes, to pay IMF staff or replenish accounts for use,"

VOA: standard.2009.04.20

At one time in the book or at one point he maintains that a person cannot be made to accuse themselves without the assurance of pardon.

他在书中辩护道,除非一个人知道自己会被赦免而主动认罪,否则是不能轻易强逼他认罪的。

耶鲁公开课 - 政治哲学导论课程节选

"The capacity at that point in time is limiting.

VOA: standard.2010.02.04

So I think at least in our own case, it's not that I wish things were different, but I know we have to constantly balance and reinforce and build and sort of reinforce the behaviors we need in whatever business at that point in time.

所以我想至少对我们而言，并不是我希望事情能够有所不同就可以的，但是我知道必须不断的作出平衡,并加强，创立，再加强自身,在这个时期不论从事什么都必须这样做。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

"Those are the complaints that we are actually dealing with at this point in time." VOA News asked Kippen if the on-site investigations of massive ballot box stuffing and other acts of election fraud will take weeks or,as some predict, months to complete.

VOA: standard.2009.09.15

OK, we're going to do this reversibly, which means we're going to slowly change the external pressure very, very slightly at a time, so that at every point we're basically in equilibrium, p2/ until the pressure reaches a new smaller pressure p2.

整个过程保持可逆，外界压强,变化得很慢，每一个瞬间,都保持平衡，直到压强减小到末态值。

麻省理工公开课 - 热力学与动力学课程节选

And then third year when I taught it which was the last time, I had 850 students in the class, making it at that point the largest course at Harvard.

到了第三年，也就是上一次开课，有850人参加，是当时哈佛人数最多的课程。

哈佛公开课 - 幸福课课程节选

So, that's not exactly the case and we're going to start in at the point where right around this time of great confidence of feeling all has been conquered, there are some observations and discoveries that are made that completely break down these theories.

把测量弄的更精确一点,但事实并不如他说的这样,我们就要从这时候谈起,当时人们十分有信心的,觉得已经征服了一切问题,但有一些实验和观察,彻底粉碎了这种看法。

麻省理工公开课 - 化学原理课程节选

> David: At some point in time, I'm going to have to have declared the variable as a float before I can then hand it to printf as the insertion value for that format strength.

>，大卫：在一个特定的时间，我将需要,声明float类型这样的变量,那样我就可以把它打印出来,像是格式化优点的插入值。

哈佛公开课 - 计算机科学课程节选