which could "possibly prevent war and defend peace." He said Pyongyang would react to "dialogue with dialogue" but warned it would respond to "sanctions by strengthening its nuclear deterrence."

VOA: standard.2009.09.29

That is metallic sodium that would keep in kerosene so it doesn't react with the oxygen in the air.

金属钠应该保存在没有中,这样它就不会和空气中的氧气反应了。

麻省理工公开课 - 固态化学导论课程节选

Here is a 2py atomic orbital, and it will react with a second 2py atomic orbital.

这是2py原子轨道，与另外那个2py轨道作用。

麻省理工公开课 - 固态化学导论课程节选

A lot of the examples that we're going to give you in terms of trying out your Lewis structures will be molecule that are used in organic synthesis, or maybe they're molecules that react in interesting ways with biomolecules in your body or proteins in your body.

很多我们将要用来,训练路易斯结构的例子,都是在有机合成中用到的分子，也有可能是那些在你体内的生物分子,或者蛋白质中发生有趣反应的分子。

麻省理工公开课 - 化学原理课程节选

Different Jews have different opinions about how that works and the past few centuries have been an interesting experiment with modernity and how Jew is gonna face that and react to it So that's sort of just a brief introduction to Orthodox Judaism.

不同的犹太人有着不同的看法,那是如何实现的，而且过去的几百年,就是对现代性一个很有趣的实验,也是对犹太人将如何,面对并且回应它,这只称得上是,对犹太教正统派的简单介绍。

普林斯顿公开课 - 人性课程节选

It is 1.7475. Conclusion: if I start to react sodium with chlorine, the result is a crystal, a three-dimensional array.

这是1。7475，结论就是：,如果我使钠和氯反应，结果将会是一个晶体，一个三维排列。

麻省理工公开课 - 固态化学导论课程节选