It showed their instruments, food storage, and details of how they moved and worked without gravity to give them weight.

VOA: special.2009.07.15

So people started turning these machines they developed on themselves to try to understand how they worked.

人们开始利用自己发明的器械研究人体,试图了解其运作方式

耶鲁公开课 - 生物医学工程探索课程节选

My roommate for many years was going to medical school as I was going to graduate school, and we found we had so many interesting conversations about chemistry -- her from the context of practicing and using medications and talking about how they worked on a molecular level, and me talking about my research.

让你们读医学预科的人都转行,我多年的室友在我去读研究生的时候，去了医学院,我发现我们对于化学有过很多有趣的交谈,她会说如何应用药物,如何在分子层面上让它们工作，我则说关于我的研究。

麻省理工公开课 - 化学原理课程节选