youdao

她说，她只是他们的临时监护人，被电影摄像机迅速捕捉、在硬石头后面柔焦的聚光灯下摆姿势的一个人罢了。

She was only their temporary custodian, she said, a form and a face caught fleetingly by the movie camera or posing, in soft focus, behind the hard stones.

youdao

这证明有每摩尔435焦的，的共价能。

And this turns out to have a bond strength of 435 kilojoules per mole.

youdao

So if I tell you that the energy for single hydrogen atom is negative 13 12 kilojoules per mole.

如果我告诉大家单个氢原子的能量,是负的，1312，千焦每摩尔。

麻省理工公开课 - 化学原理课程节选

So, for example, for the chlorine case, we would say that the electron affinity for chlorine is actually positive 349 kilojoules per mole.

比如，以氯为例，我们可以说氯的电子亲和能,应该等于正的，349，千焦每摩尔。

麻省理工公开课 - 化学原理课程节选

And, likewise, if we look at fluorine in its diatomic molecule, it is 160 kilojoules per mole.

一样的，如果我们观察二价的氟，它是每摩尔160焦。

麻省理工公开课 - 固态化学导论课程节选