When you think about your career, like a moment where you were particularly proud, or a moment where you were particularly challenged by something, and realized that makes me think in a wholly different way.

您在回顾您的工作时，比如说某一时刻您十分自豪，或者说您的观点受到了挑战,让您用一种,全新的角度来思考。

普林斯顿公开课 - 人性课程节选

This is a very good way to explain what you are doing at a given moment in time.

这个句型可以很好地解释在某一时刻你正在做些什么。

I'm ~ing 课堂 - SpeakingMax英语口语达人

There are lots of people who have pointed out to us that before a certain period, there was no such thing as man, and in a variety of quite real senses, after a certain moment in the history of culture, there is also no such thing as man.

很多人向我们指出,在某一特定时间点前是没有人类的，而且在真实意义上，在文化史中的某一特定时刻后，人类也不存在。

耶鲁公开课 - 文学理论导论课程节选

Something might be short at one point and become tall at another point, ugly at one point and become beautiful-- like the ugly duckling.

一个事物可能在某一时刻很矮,然后在另一时刻又会变高,某一时刻很丑,然后变得很美,就像丑小鸭一样

耶鲁公开课 - 死亡课程节选

There are multiple mechanisms that a cell can use to decide which genes it is expressing at any one time and which ones are not expressed.

在某一时刻,决定细胞中哪些基因表达,哪些基因不表达的机理十分复杂

耶鲁公开课 - 生物医学工程探索课程节选

whenever you want to express what you are doing at a particular moment in time.

当你想表达在某一时刻你在做的事情时，你都可以用这个句型。

I'm ~ing 课堂 - SpeakingMax英语口语达人

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 some point you came in contact with this Palestinian.

在某一时刻你遇到了这位巴勒斯坦人。

普林斯顿公开课 - 人性课程节选

At a given instant, it's got a location.

在一个给定的时刻,它在某一位置

耶鲁公开课 - 基础物理课程节选

At some point, we will leave.

在某一时刻，我们会离开。

普林斯顿公开课 - 国际座谈会课程节选