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

构成地壳的巨大理论块。

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

它也地壳的重要组成部分。

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

地震的震级反映的地壳的破裂程度。

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

我们已了地壳的某些部分。

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

数十亿年前，地壳的运动创造了玉。

Beneath the crust is the next layer.

地壳的下面另一层构造。

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

这就大洋底。但它的形成却不因为底部地壳的挤压。

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

的唯一来源就海洋地壳的沉没。

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

这因为组成地壳的成分中有 45％ 氧。

In some places, denser crust sinks under lighter crust.

在一些地方，致密的地壳沉到较轻的地壳下面。

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

这就国家地理杂志所说的地壳上的伤疤。

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地壳的地方。

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

新的海洋地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.

如果把地球比作一只苹果，那么地壳的厚度不会超过苹果皮的厚度。

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

国家地理杂志把它描述为地壳上的一道伤疤。

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

你如何看待存在于地壳中的生命？

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

硫化氢气体从地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.

地壳的隔热效果很棒，能让这个巨大、用之不竭的地底热能来源不被注意到。

There's so little that we know about what's inside Earth's crust.

我们对地壳内部的东西所知甚少。

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地壳的影响，引发了断裂和月球地震。