穿过小行星带继续前进，我们进入了气体巨行星区域：木星、土星、天王星、海王星，所有这些都使地球看起来像个侏儒。

Moving on through the asteroid belt we enter the realms of the gas giant planets: Jupiter, Saturn, Uranus, and Neptune, all of which dwarf the Earth.

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当泥质沉积物被挤压在一起时，气体和小油滴可能会从泥浆中被挤出，并进入附近的沙层。

As muddy sediments are pressed together, the gas and small droplets of oil may be squeezed out of the mud and may move into sandy layers nearby.

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同样的结构允许一种气体进入叶子，然而，也使得另一种气体——水蒸气——从叶子中消失。

The same structure that permits the one gas to enter the leaf, however, permits another gas—water vapor—to be lost from it.

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But if you touch the valve going into your tire which basically measures the temperature of the air going into your tire, that is getting hot, right.

以至于浑身发热,如果你摸气筒的阀门,相当于近似测量了进入轮胎的气体的温度，它会很热，对吧。

麻省理工公开课 - 热力学与动力学课程节选