无法想象的巨大热量

You may not recognize it, but this is our planet.

你也许不认识 但那确实就是我们的地球

Little more than a few pieces of rock,colliding as they circle around the Sun.

当体积差不多大的巨石在围绕太阳转动时发生碰撞

But these impacts produced immense amounts of heat,

这种冲击力量是如此猛烈 从而产生了巨大的热量

as did underground radioactive decay.

这些岩石也给地球带来了大量的放射性元素

Eventually, when the outer layers of the planet cooled

最终，当地球外层冷却时

these two powerful sources of heat were trapped in a huge hot core.

这两种巨大的能量源被捕获在炽热的地核里

The center of our planet is around as hot as the surface of the Sun.

地球的中心和太阳的表面一样热

This is the source of Earth's vast heat energy.

捕获在地球内部的

And it was what fueled volcano to this day.

巨大的热量源至今仍然使火山不断喷发

Earth's hot core has been continuously releasing unimaginable amounts of heat.

仍然不断地释放着令人无法想象的巨大热量

Even after four and a half billion years,there are still plenty left.

在经历过45亿年后这种热量还大量存在

Volcanoes are the most obvious examples of the Earth's inner heat in action.

火山是地球内热活动的最明显的例子

重点讲解

1、recognize

a、认识;认出

The receptionist recognized him at once.

接待员一眼就认出他了。

b、认可；承认

I recognize my own shortcomings...

我承认自己的缺点。

c、正式认可;承认;正式接受;赞成

France is on the point of recognizing the independence of the Baltic States.

法国即将承认波罗的海诸国的独立。

d、赞赏，认可（某人的所作所为）

The RAF recognized him as an outstandingly able engineer.

英国皇家空军表彰他是一名非常能干的机械师。

He had the insight to recognize their talents.

他很有眼力，慧眼识英才。

2、source

a、来源;产地

over 40 per cent of British adults use television as their major source of information about the arts.

40 %以上的英国成年人把电视当作获取艺术文化信息的主要途径。

Renewable sources of energy must be used where practical...

必须在可行的地方使用可再生能源。

b、寻找(产品或原料的)货源

About 60 per cent of an average car is sourced from outside of the manufacturer.

一辆普通汽车上大约有60%的部件是由制造商以外的其他供应商提供的。

c、消息来源;消息人士;(论文中引文的)出处，原始资料

She quotes secondary and primary sources without distinction.

她对二手资料和一手资料的引用毫无区别。

d、(河流的)源头

the source of the Tiber.

台伯河的源头