I think I had managed to get to this point here where I show what happens when the cation, here sodium, is in contact with the anion here, chlorine.

我想我能回到这儿,当阳离子，在这里是钠，和阴离子，氯离子接触会发生什么。

固态化学导论课程节选 : 麻省理工公开课

So, what happens, this is another view of a sodium channel, so this is actually looking a little bit more at the protein structure.

那么，这里发生了什么，这是钠离子通道的另一张图片，在这种蛋白质结构中,它看起来更复杂一点。

化学原理课程节选 : 麻省理工公开课