"When they had fixed the ground so the grass could grow, I saw children dancing there in the sunlight.

VOA: special.2010.08.01

So what I'm doing here is I'm cooling, and then when I'm sitting at a fixed volume and I'm increasing the pressure, what am I doing? I'm heating, right?

对了，因此在这里，需要冷却,而在这里，当体积不变增加压强时？

麻省理工公开课 - 热力学与动力学课程节选

Here we have a fixed volume, and we have a little candle, and we're adding heat, and when we add heat, the pressure does what?

这里我们有一个容器，一个蜡烛，然后我们加热，这时压强会怎么变化？

麻省理工公开课 - 热力学与动力学课程节选

When you buy a house, you borrow the money and you pay it back in fixed-- it would usually be monthly, but let's say annual payments.

当你买了一座房子,你贷了些款,然后你在一定的时间内偿还一部分,一般来说都是按月来算的,但是假设我们是按年支付的

耶鲁公开课 - 金融市场课程节选