The giant theoretical chunks that compose the Earth's outer crust.

构成壳的巨大。

It also plays a large part in the Earth's crust.

它也是壳的重要组成部分。

The magnitude of the earthquake reflects how much of the earth's crust ruptured.

震的震级反映的是壳的破裂程度。

Billions of years ago, movements in the Earth's crust created Jade.

数十亿年前，壳的运动创造了玉石。

This is the ocean floor. But this isn't rock sprouting out at the bottom.

这就是大洋底。但是它的形成却不是因为底部壳的挤压。

The only way you can get boron down there, is by the foundering of the ocean crust.

钻石的唯一来源就是海洋壳的沉没。

That's because Earth's crust is made up of 45% oxygen.

这是因为组成壳的成分中有 45％ 是氧。

We've explored some parts of the Earth's crust.

我们已经探索了壳的某些部分。

In some places, denser crust sinks under lighter crust.

在一些方，致密的壳沉到较轻的壳下面。

It's what National Geographic describes as a scar in the Earth's crust.

这就是国家志所说的壳上的伤疤。

Beneath the crust is the next layer.

壳的下面是另一层构造。

Those with values closer to those found in seawater formed much nearer the crust.

那些与海水中发现的值更接近的物质形成于更接近壳的方。

The formation of new ocean crust occurs at volcanic 'mid-ocean ridges.'

新的海洋壳的形成发生在火山的“海洋中脊”。

If the earth were an apple, the crust would be no thicker than the apple's skin.

如果把球比作一只苹果，那么壳的厚度不会超过苹果皮的厚度。

How do you think about life as it exists in the crust?

你如何看待存在于壳中的生命？

Hydrogen sulphide gas bubbles up from oil deposits in the Earth's crust.

硫化氢气体从壳内的油气储层中溢出。

The Earth's crust is an incredible insulator, and it keeps this massive, inexhaustible heat source beneath us invisible.

壳的隔热效果很棒，能让这个巨大、用之不竭的底热能来源不被注意到。

This energy is released as a tremendous explosion in the crust, shaking it.

这种能量在壳的巨大爆炸中被释放出来，并使之震动。

At this time, the increased gravitational stress worsened the effects of the lunar crust, instigating breaks and moon quakes.

此时，不断增加的重力应力恶化了月球壳的影响，引发了断裂和月球震。

National Geographic describes this as a scar in the Earth's crust.

国家志把它描述为壳上的一道伤疤。