It's almost a way of inviting us to visualize the separation of these two people as they speak.

这几乎是吸引我们去观察,说话的两个孤立的个体。

耶鲁公开课 - 现代诗歌课程节选

And we can actually better visualize this if we plot how that energy changes as a function of internuclear distance.

而我们就能更清楚地看到这些，如果我们画出,能量随核间距的变化曲线。

麻省理工公开课 - 化学原理课程节选