• So, it's a trivial matter, by looking at what is the weight and how far does it drop, to say OK, how much work is done by the paddle wheel.

    好,让我们看看重物的质量,以及它下落的距离,就知道桨轮做了多少功。

    麻省理工公开课 - 热力学与动力学课程节选

  • And if you had a motor here that was causing a paddle to move up and down you could cause waves to form at one end of the tank and move from left to right.

    如果在水槽里放个发动器,来让水上下起伏,波浪形成于,水槽的一端,然后从左向右扩散。

    麻省理工公开课 - 固态化学导论课程节选

  • now I'm really fantastic at drawing this mechanical device, but you can imagine that dropping a weight can cause a paddle wheel to turn.

    机械装置的时候,我真的很着迷,你可以想象,当重物掉落的时候会带动桨轮旋转。

    麻省理工公开课 - 热力学与动力学课程节选

  • Now you could do a similar sort of thing, but instead of having a candle, you have a paddle wheel, and the paddle wheel is spun by a weight that's dropping from here to here.

    那接下来可以做一件类似的事,但不再是蜡烛,我们将它换成一个桨轮,桨轮末端拴一个重物,它可以从这掉落到这。

    麻省理工公开课 - 热力学与动力学课程节选

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