纪录片《地球的力量》第一集 火山22:非凡时代

Today the average surface temperature of the planet around the world is 15 degree Celsius.

如今地球表面平均温度为15摄氏度

700 million years ago,it was much colder.

7亿年前，要冷得多了

That average surface temperature plummeted to minus 50,5-0 degrees celsius.

平均表面温度降至负50摄氏度

Most of the Sun's heat was reflected back to space.

太阳热量大多数都会被反射回太空

it looked like that the Earth might never heat up again.

看起来地球将永远无法回暖

but clearly something happened.

但显然发生了某些事情

It was volcanoes that came to the rescue.

出手挽救的正是火山

They eruped with tremendous force,

火山喷发

even blasting through the ice sheets that covered much of the planet.

突破覆盖整个行星厚厚的冰层

It must been an extraordinary time.

那必定是个非凡时代

The nearest we have experienced was in 2004

与其最接近的是2004年

when an eruption was filmed busting through an ice sheet in Central Iceland.

当时冰岛中部一次火山喷发 即突破了冰层，并被摄像记录

This is what would have happened millions of years ago,

亿万年前的情况\N必定也是如此

but on a global scale.

而且是全球规模的

The heat from volcanoes would have melted holes in the ice,

火山的热量肯定在冰层中熔化了一些孔洞

but that is not what saved our planet.

但那并不是地球得救的原因

it was the tons of carbon dioxide gas it released that did the trick.

功绩属于火山释放的数以吨计的二氧化碳

重点讲解

1、plummet

（数量、比率或价格）骤然下跌，暴跌

In Tokyo share prices have plummeted for the sixth successive day.

东京股价已连续第6天猛跌。

The Prime Minister's popularity has plummeted to an all-time low in recent weeks.

首相的支持率在近几个星期已骤跌至前所未有的低点。

（通常指从高处）快速落下，陡直掉下

The jet burst into flames and plummeted to the ground.

这架喷气式飞机突然着火，急速坠地。

The car went out of control on a bend and plummeted down an embankment.

车子在弯道处失去控制，一头扎下堤岸。

2、reflect

反映；表现；显示

The Los Angeles riots reflected the bitterness between the black and Korean communities in the city.

洛杉矶的暴乱反映出这个城市的黑人社区和韩裔社区之间的仇恨。

Concern at the economic situation was reflected in the government's budget.

政府的预算反映了对经济运行状况的关注。

（光、热或其他射线）反射

The sun reflected off the snow-covered mountains.

冰雪覆盖的山峰反射着阳光。

The glass appears to reflect light naturally.

玻璃似乎可以自然反射光线。

沉思；深思

We should all give ourselves time to reflect.

我们都应该给自己时间好好想想。

I reflected on the child's future.

我认真考虑了孩子的将来。

3、extraordinary

非凡的;优秀的;出色的

We've made extraordinary progress as a society in that regard.

在那个方面，我们的社会已经取得了巨大的进步。

The task requires extraordinary patience and endurance.

那项任务需要非凡的耐心和毅力。

非常奇特的;令人惊奇的

What an extraordinary thing to happen!

这事儿真蹊跷！

His decision to hold talks is extraordinary because it could mean the real end of the war.

他作出举行谈判的决定非同寻常，因为这可能意味着战争真的要结束了。

（会议）特别的

at an extraordinary meeting of the sport's ruling body...

在体育运动管理机构的特别会议上

Representatives of the colonies met in an extraordinary congress.

各殖民地代表在一次特别大会上会面。