And, we'll talk about fuel cells later in the semester when we do the unit on redox reactions and electrochemistry.

这学期我们随后会讨论燃料电池,当我们讲到,关于氧化还原反应和电化学单元时。

麻省理工公开课 - 固态化学导论课程节选

We talk about cells as being kind of the fundamental unit of humans and other multi-cellular organisms.

我们某种意义上把细胞视为,人体和其它多细胞生物的基本单位

耶鲁公开课 - 生物医学工程探索课程节选