That is, most processes that we're concerned with, they'll happen with something held constant like pressure or temperature or maybe volume.

这句话是说我们所关注的大部分过程，发生的时候都是保持某个量为常数,比如压强，温度或者体积。

麻省理工公开课 - 热力学与动力学课程节选

You have to choose. Well, critics took it fairly straightforwardly as the account of a life and in that sense, taking it that way, some of them were a little disappointed with what they held in their hands.

你必须做出取舍,批评家十分直截了当地，把它看成是生活的流水帐,因此有些人会对他们手中的书稍有失望。

耶鲁公开课 - 1945年后的美国小说课程节选

Everything with me depends upon the estimation in which I am held."

我的一切,都和对我的评价密不可分"

耶鲁公开课 - 美国内战与重建课程节选

Core electrons are all those electrons held in really tight with the nucleus in the inner shells, whereas the valence electrons are only those electrons that are in the outer-most shell, or at your highest value of n of the principal quantum number.

芯电子是那些,在内壳层被原子核束缚得非常紧的电子，而价电子只包括,最外层的电子，或者说主量子数，n，的值最大的那些电子。

麻省理工公开课 - 化学原理课程节选