And then when we got to more of a cellular level, that we could actually understand how our body worked as low of a level as thinking about cells.

肺怎么工作，我们到了细胞的层面上研究问题,从细胞的角度理解给我们身体,怎么工作就更加有趣了。

麻省理工公开课 - 化学原理课程节选

We can even understand it on a molecular or cellular level now.

如今我们已经能从,分子和细胞水平对机体进行研究

耶鲁公开课 - 生物医学工程探索课程节选

I want to look at a slightly higher level of magnification now and think about different kinds of cellular communication.

我现在想讲一些较高水平的放大机制,并思考不同种类的细胞通讯

耶鲁公开课 - 生物医学工程探索课程节选