Let's begin with a kind of warm-up sheet which we can anchor in these little drawings I've made.

让我们先来热一下身,看一下我在黑板上画的图。

耶鲁公开课 - 文学理论导论课程节选

You take fuel, rather you take something that's warm, and you put it in contact with the atmosphere, it cools down.

改变约束,继续加热,气体膨胀。

麻省理工公开课 - 热力学与动力学课程节选

It's quiet, it's warm, Now imagine you're born deaf, you cannot hear, you cannot communicate by spoken words with your friends and family.

四周一片寂静，温暖，再来假设你自幼失聪，不能和家人，朋友用语言交流。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

The thermos, with the lid on top, It's not a open system your coffee is going to stay warm or hot in the thermos.

顶部盖了盖子的热水瓶，不是开系,你希望你的咖啡在热水瓶里面保持温暖,或滚烫。

麻省理工公开课 - 热力学与动力学课程节选