I'm going down the pasta aisle or whatever, and I have the daughter of Ravi Shankar over my shoulder.

我走过超市的意大利面专柜时,身边都萦绕着拉维·香卡的女儿的歌声

耶鲁公开课 - 聆听音乐课程节选

So even though we see a nodal plane down the center, I just want to really point out that it's only when we have a nodal plane in the internuclear or the bond axis that we're calling that a pi orbital.

虽然在中间有个节面，我想要指出的是,只有节面在核间轴,或者键轴上时,我们才叫它π轨道。

麻省理工公开课 - 化学原理课程节选