Now, if we go back to our Carnot cycle which is a set of reversible paths, it's useful to compare this to what happens in an irreversible case.

如果回到卡诺循环,它是由一系列可逆过程组成，我们将它,和不可逆过程的情况相比较。

麻省理工公开课 - 热力学与动力学课程节选

Much like the opportunities in the word "plastic," I think it's useful to suggest that this sense of gapping a spark plug may have some relevance to our understanding of what goes on in this reading process.

就像说到“塑料“时的几种可能性“,值得一说的是，这种火花塞间隙的概念,可能与我们的阅读有关,它让我们了解到阅读过程到底是怎样的。

耶鲁公开课 - 文学理论导论课程节选

The other is that this kind of adherence gives the tissue a property that's useful, in this case the property is it can serve as a barrier to nutrients from entering our body.

另外这种黏附,给予组织一种非常有用的属性,这种属性表现为组织成为,营养物质进入身体过程中的屏障

耶鲁公开课 - 生物医学工程探索课程节选