纪录片《地球的力量》第一集 火山30:火山崩裂

On May 18, 1980,

1980年5月，

Mount St Helen in the Pacific Northwest was ripped apart.

美国圣海伦火山崩裂

Within minutes, over 100 billion cubic feet of the mountain

几分钟之内 超过1000亿立方英尺的火山物质

slid down into the surrounding countryside.

喷洒到四周区域

Since the eruption, Mount St Helens has been fairly quiet.

自从喷发以后 圣海伦火山一直相当平静

But inside its vast crater, a giant cone of rock is growing.

但是在它巨大的火山口里一块巨大锥状岩石正在生长

Forced up by the pressure beneath,

在下方不断上顶的压力作用下

Mount St Helens is building for another eruption.

圣海伦火山正在准备再一次爆发

The irony is that subduction volcanoes are so highly explosive and destructive because they are so gassy,

讽刺的是，俯冲带火山具有强大破坏力的原因在于它充满气体

yet it's the release of the gas that's crucial to the Earth.

而它释放出的气体恰恰对地球至关重要

That is the key to recycling carbon that is locked in the rocks back into atmosphere the carbon that'is locked in the rocks below.

这是让锁在岩石中的碳重返大气层的关键

The whole elaborate system works a bit like thermostat,

整个精细体系有点像一个温控计一样进行调控

maintaining the right temperatures for life.

并将温度维持在适合生命的范围之内

Ever since our planet formed four and a half billion years ago,

自从地球45年亿年前形成以来

Earth's inner heat has been continuously struggling to escape.

地球内部热量不断奋争出逃

In ftact, you colud say that the whole history of the planet

实际上 你能看到对地球整个历史而言

has been driven by the immense heat trapped inside it.

没有什么比控制地球热量更加重要

No force on earth is more dramatic,

地球上没有其它力量比火山更为动荡

more destructive,more violent than volcanoes.

更具破坏性，更加暴力

They are the life force of our planet.

火山是我们行星的生命力量

重点讲解

1、rip apart

使分裂;使破裂;使出现分歧

He said that communal carnage was ripping the country apart.

他说种族间的相互残杀正在让这个国家走向分裂。

To have fought Paul on this would have risked ripping the family apart.

在这一点上和保罗作斗争可能会使这个家庭破裂。

公开抨击;公然批判

The presenters and audience ripped her apart, enjoying a laugh at her expense.

主持人和听众都公开批评她，并以取笑她为乐。

We are the only paper in Britain that has consistently ripped apart these shallow lies and half-truths.

我们是英国唯一一家坚持批判这些浅薄的谎言和半真半假的报道的报纸。

2、explosive

炸药;爆炸物

one-hundred-and-fifty pounds of Semtex explosive.

150磅塞姆汀塑胶炸药

There were traces of explosives in the bedroom.

卧室里有炸药的痕迹。

会爆炸的;能引起爆炸的

The explosive device was timed to go off at the rush hour.

爆炸装置被设定在高峰时间引爆。

Highly explosive gas is naturally found in coal mines.

煤矿中天然存有高爆气体。

（局面等）一触即发的，千钧一发的

He appeared to be treating the potentially explosive situation with some sensitivity.

他似乎正小心地应对可能一触即发的局势。

Nobody knows what explosive arguments the future of Europe will bring.

没有人知道欧洲的未来这一议题会引起怎样爆炸性的讨论。

3、crucial

至关重要的;关键性的

He had administrators under him but took the crucial decisions himself...

他手下有管理人员，但重要的决策仍由他自己来做。

the most crucial election campaign for years.

几年来最重要的竞选活动