And Bolivia,interestingly, is one of the world's largest sources of lithium, which if you think we're all going to drive electric cars, is going to be a vital source."

VOA: standard.2010.04.21

I've never seen anyone like them.' 'I found them in the West.'" So, there is that sense of the West as a source, and what he's going to do is take them back East.

我从未见过像他们一样的人’,’我在西部遇到他们的’“,对新西部的感觉成了一个源点，而他正想要把这群人带回东部。

耶鲁公开课 - 1945年后的美国小说课程节选

The gods are going to be limited. They are not the source of all.

神的能力就会被缩小，他们就不再是万物的本源。

耶鲁公开课 - 旧约导论课程节选

Or I could have a non-adiabatic, I could take the same temperature change, by taking a flame, or a heat source and heating up my substance. So, clearly q is going to depend on the path.

也能改变温度，绝热指的是没有热传递，在非绝热条件下，也同样可以升温,比如用火或者热源加热，这样，q也应当与路径有关。

麻省理工公开课 - 热力学与动力学课程节选