纪录片《地球的力量》第一集 火山29:气体重返大气层

Where plates in the Earth's crust collide,

在地球板块碰撞区域

the rock on the sea floor containing carbon from the plankton shells

死亡浮游生物构成的含有二氧化碳的岩石所处的海底

is carried deep into the Earth.

俯冲陷落到地球深处

This is called subduction.

这就叫俯冲

As it descends, this layer of rock is heated

在沉降过程中，这层岩石被加热

and melts, releasing carbon dioxide.

并且释放出二氧化碳

This gas is returned back into the atmosphere during an eruption.

随着火山爆发，气体重返大气层。

The remarkable cycle is completed.

这就完成了这个非同寻常的循环。

It's uncanny how life and volcanoes,

火山和生命合作

keep just the right amount of carbon dioxide in our atmosphere,

让大气中的二氧化碳数量保持在适合的水平

keeping our planet at a comfortable temperature.

使地球保持在舒适的温度舒

This process that had sustained all life on the planet,

这个过程支撑了行星上所有的生命

comes at an enormous cost.

但为此付出的代价也是巨大的

Subduction volcanoes are the most violent on Earth.

俯冲带火山是地球最暴烈的火山

You can see just how explosive they are

请看记录下来的一次最著名的爆发

by looking at one of the most famous eruptions ever recorded.

您就明白他们的喷发多么震撼

重点讲解

1、contain

装有;容纳

The bag contained a Christmas card.

这个包里装着一张圣诞卡。

Factory shops contain a wide range of cheap furnishings.

工厂车间里陈设着种类繁多的廉价家具。

包含;含有

Greek yogurt contains much less fat than double cream.

希腊酸奶比高脂浓奶油所含脂肪要少得多。

Many cars run on petrol which contains lead.

很多车使用含铅汽油。

(著作、讲话或电影中)包括，包含

This sheet contained a list of problems a patient might like to raise with the doctor.

这张单子列出了病人可能会向医生提出的一系列问题。

The two discs also contain two of Britten's lesser-known song-cycles.

这两张唱片还包含了布里顿两首不甚知名的声乐套曲。

控制，抑制(感情)

But he was bursting with curiosity, and one day he just couldn't contain himself. 'What are you going to do?' he asked.

但他满心好奇，一天，他真的忍不住了。“你打算做什么？”他问道。

Evans could barely contain his delight: 'I'm so proud of her,' he said.

埃文斯喜不自禁：“我真为她骄傲。”他说。

2、remarkable

不同寻常的;非凡的;引人注目的

He was a remarkable man.

他是个不同寻常的人。

It was a remarkable achievement.

那是一项非凡的成就。

3、sustain

使持续;保持

But he has sustained his fierce social conscience from young adulthood through old age.

而他从青年时期一直到老年都始终保持着强烈的社会良知。

The parameters within which life can be sustained on Earth are extraordinarily narrow.

地球上生命可以存活下来的地域范围是非常狭小的。

经受;遭受;蒙受

Every aircraft in there has sustained some damage.

那里的每架飞机都受到了一些损坏。

A seventeen-year-old tourist died late last night of injuries sustained in yesterday's bomb blast.

一位 17 岁的游客在昨天的炸弹爆炸中受伤并于当天深夜身亡。