Souem came here to plant in the dry season on her relative's plot,using water from the irrigation system.

VOA: standard.2010.06.02

I want to plot energy in the system as a function of interatomic spacing.

我想把这个系统中的能量,按照原子间距来划分。

麻省理工公开课 - 固态化学导论课程节选