And when we look at this, it's actually split by what's called a nodal plane, which is pointed out in light orange here on this picture, but what we just mean is that there is this whole plane that separates the two lobes where there is absolutely no electron density.

我们来看这里，实际上它被一个节面分开，在这图里用淡黄色表示，这意味着这个分开,两个叶瓣的平面上,是完全没有电子密度的。

麻省理工公开课 - 化学原理课程节选

There's a keyword, which I'm going to highlight right up here, print, which is in, I don't know what that color is, orange?

这里有个，我要高亮显示的，包含print的关键词，我不知道这是什么颜色，橙色么？

麻省理工公开课 - 计算机科学及编程导论课程节选