In the past decade cucurbituril has become a new star molecule with emphasis on the study of host-guest molecular recognition and assembly to supramolecular structure.

随着过去十年主体对客体的分子识别和组装成为超分子化学的核心研究内容，南瓜尼已经成为一个明星分子。

youdao

You can see that we have two unpaired electrons in this molecule here one in the pi 2 p x star, and one in the pi 2 p y star orbital.

你们可以看到我们这个,分子力有两个未配对电子,一个在π2px星，一个在π2py星轨道。

麻省理工公开课 - 化学原理课程节选