If you knew only the third derivative of the function, you can have something quadratic in t without changing the outcome.

如果方程里有三阶导数,你就可以引入一个二次项,但是结果却不会变

耶鲁公开课 - 基础物理课程节选

And I know it is only the third quiz, but I like to keep the quiz number the same as the homework number.

我知道这只是第三次小测，但我喜欢将小测题数保持不变,就像家庭作业题一样。

麻省理工公开课 - 固态化学导论课程节选

And only after a while will we turn to the second and third question: Does it survive and, more particularly, is it immortal?

接下来不久,我们将会转而讨论第二个和第三个问题,它能幸免一死,或者,更严格地说,它是不朽的吗

耶鲁公开课 - 死亡课程节选

You wonder why would it be that the whole western half of the U.S. gets only or the western third of the U.S.

你也许会质疑，为什么,美国整个的西部一半只有一个,或者说美国西部的三分之一。

耶鲁公开课 - 金融市场课程节选

We need to check another entrant from the outside, left wing or right wing, we need to check another entrant in the middle, there is only one possible one there, and there's a third kind of deviation we should check, what's the third type of deviation?

我们需要验证另外一个外部的参选人,左派或右派,我们需要验证另外一个中间的参选人,只有一个可能参选的人,还有第三种要验证的偏差类型,第三种偏差类型是什么

耶鲁公开课 - 博弈论课程节选

We'll give it a name, but by linking that T to that T, we can also figure out the same T must be exerted on this one by Newton's third law, because if this block is the only one that could be pulling this rope with T.

我们先给它命个名,把这个 T 和那个 T 联系起来,利用牛顿第三定律,我们可以知道这个 T 也一定作用在这个物体上,因为如果这个物体是唯一,受到绳子拉力 T 的物体

耶鲁公开课 - 基础物理课程节选