And to measure the intensity of unequal sharing, we take the difference in electronegativity, which I am going to use the Greek symbol chi for.

要度量非平均的程度，我们考虑电负性的差异，我要用希腊语第22个字母chi来表示电负性。

麻省理工公开课 - 固态化学导论课程节选

I'm social chair for Sigma Chi. I'm social chair for Kasama, which is the Filipino society.

我是Sigma Chi的外联主席。我是Kasama的外联主席，一个菲律宾人社团。

派对很好玩 - SpeakingMax英语口语达人

chi Y This is lower case chi. I will take chi X minus chi Y.

我用chi，X减去。

麻省理工公开课 - 固态化学导论课程节选