That's the work that the system is doing to the environment. I'm doing work to the environment. The work is negative, which means that work is being done to the environment.

功的大小,就是矩形的面积,这样我们就实现了一台热机，冷却，加热，加热,冷却，系统回到了初态。

麻省理工公开课 - 热力学与动力学课程节选

Here there's an expansion going on, so the system is doing work to the external world.

这里发生了膨胀,所以系统对外界做功，活塞被推出来。

麻省理工公开课 - 热力学与动力学课程节选

It's rather, "Let's set up a system so that your prejudices can't work," the blind auditions, for instance, being a beautiful example of that.

而是要建立一个系统,把偏见的影响减为零“,正如刚才所说的闭幕演奏一样，那就是一个好例子了。

耶鲁公开课 - 心理学导论课程节选

This is providing work that's being used in here, but if you take the whole outside of the surroundings and this whole thing is the system, no net work, these things cancel each other, and yet heat's going up.

如果把外面的全部当成环境，把这里的全部当成系统,那么就没有净的功，它们相互抵消了，热量向上传输，会发生什么？

麻省理工公开课 - 热力学与动力学课程节选