What that is, is an organ pipe of the type of organ that we have over in Woolsey Hall, thirty-two feet tall, this gigantic sound of down there so that's what he's trying to set up.

这是一种管风琴,梧希音乐厅就有,三十二英尺高,巨大浑厚的低音,正是施特劳斯努力展现的

耶鲁公开课 - 聆听音乐课程节选

So that's two of our types of bonds in benzene, and we have one type left, that's going to actually be the double bond or the pi bond that So we can have one bond here between this carbon's p orbital and this carbon's p orbital.

这就是苯环里的两种键，我们还剩一种，那就是这些p轨道之间，形成的双键或者π键,我们可以在这个碳的p轨道,和这个碳的p轨道之间有个键。

麻省理工公开课 - 化学原理课程节选