"We are the world's two largest democracies,". "We have a range of shared values and ideals.

VOA: standard.2009.11.25

So, shared electrons are the ones that are shared between the carbon and the nitrogen, so we have 6 shared electrons, and we want to take 1/2 of that.

共用电子是那些在碳和氮之间,被它们共用的电子，那么我们有六个共用电子，然后我们要给它乘上二分之一。

麻省理工公开课 - 化学原理课程节选

So in terms of nitrogen that starts off with a valence number of 5, again we have 2 lone pair electrons in the nitrogen, and again, we have 6 electrons that are shared.

对于氮来说,我们应该从五个价电子开始，同样，氮也有两个孤对电子，共用电子的个数也一样，是六个。

麻省理工公开课 - 化学原理课程节选

"They recognize as we do, that this is a shared responsibility and a shared threat."

VOA: standard.2010.05.06

And then we end up having 6 shared electrons, 2 from each of the bonds, so we end up with a formal charge on sulfur of plus 1.

然后我们有六个共用电子，每个键两个，因此最终硫的形式电荷量为正一。

麻省理工公开课 - 化学原理课程节选

"It has to be about our shared prosperity, and what we can build together."

VOA: standard.2010.06.24

"We know this is a shared responsibility and in the days ahead we will work with the international community and our Chinese colleagues to fashion an effective and appropriate response."

VOA: standard.2010.05.25