塑造世界的统治力量

The more the snow is compressed, the more air is forced out of it.

越多的雪压缩，越多的空气被挤出

Removing air is what turns fluffy snow into rock hard ice.

移除空气使蓬松的雪变成坚硬的冰岩石

This is it. I've come down about 20 metres to the base of the cliff

这里，是我降到冰崖二十米下的地方

and this is pure glacial ice.

这是纯净的冰川

All those snowflake crystals in there have been squeezed down

那里的雪花结晶被填满了

and it gives this weird texture.

怪异的材质

I mean, if s just frozen water but it's Like solid rock.

我是说，它只是冻水，却像坚固的岩石

Look at that.And it's got this glassy feel to it. It's almost transparent.

看这个 如同镜面般光滑，甚至是透明的

When enough ice forms, it slowly starts to slide downhill and becomes a glacier.

当足够多的冰成型它开始缓慢从山上滑落 逐渐变成冰川

And over the last couple million years,

在过去数亿年

it's ice that has been a dominant force shaping our world,even changing the climate.

冰是塑造我们世界的统治力量 甚至改变气候

Recorded from deep within the ice,

从深入研究冰的记载中

these are the sounds of a glacier groaning and creaking

冰川的声音充满隆隆声和嘎吱声

as it slides down the mountain.

因为它们从山上滑落

重点讲解

1、come down

(成本、水平或数量)下降，降低

Interest rates should come down.

利率应该降低。

If you buy three bottles, the bottle price comes down to ￡2.42.

如果买3瓶，价格会便宜一些，每瓶2.42英镑。

落下;降落

The cold rain came down.

下起了冰冷的雨。

The curtain came down after the first act.

第一幕过后，幕布落了下来。

2、transparent

透明的;清澈的

a sheet of transparent coloured plastic.

透明有色塑料板

I looked at his thin face with its almost transparent skin.

我看着他清瘦的脸，脸上肌肤几近透明。

易懂的;明晰的;一目了然的

We are now striving hard to establish a transparent parliamentary democracy

我们现在正努力建立明晰的议会民主制。

The company has to make its accounts and operations as transparent as possible.

公司必须使其账目与运作尽可能地清晰透明。

易识破的;易察觉的

a transparent effort by officials to blame foreigners

官员指摘外国人的明显企图

He thought he could fool people with transparent deceptions.

他以为他能用那些可以一眼看穿的鬼把戏愚弄人。

3、dominant

占支配（或统治）地位的;占优势的;显著的

a change which would maintain his party's dominant position in Scotland.

将使他的政党在苏格兰继续占据支配地位的变化

She was a dominant figure in the French film industry.

她在法国电影界是个举足轻重的人物。

(基因)显性的，优势的

Because it is carried by a dominant gene, an affected individual can expect about half of his or her children to inherit the illness.

因为它是由显性基因携带，所以感染者的孩子会有约50％的可能性遗传该疾病。