As early as 1803, we know he's working on-- Trying to get this to work just right.

早在一八零三年,我们就知道他开始,努力去使它恰如其分

耶鲁公开课 - 聆听音乐课程节选

The problems are set up so that, if you start down the right path, it should be pretty straight-forward to work it through If you start down a plausible but incorrect path, you can sometimes find yourself stuck in the weeds somewhere, and we want to bring you back in.

问题提出了，如果你从，一开始就走正确的道路，解决的途径,就一目了然了,如果你走上一条貌似正确但实际错误的道路，你会在某时某刻,发现自己陷入泥沼，于是我们就会把你拉回来。

麻省理工公开课 - 计算机科学及编程导论课程节选

And eventually, over this twenty-year period he did get it to work just right.

最后,经过了二十年,他确实做到了

耶鲁公开课 - 聆听音乐课程节选

So use work out of right-hand side to run left-hand backward.

利用右边输出的功,来驱动左边的热机反方向运行。

麻省理工公开课 - 热力学与动力学课程节选