生命的意义

We know all life on earth evolved from complex molecules called:Amino Acids.

我们知道地球上的所有生物皆从一种复合分子演化而来 叫氨基酸

These molecules collided randomly to create

这些分子随机碰撞创造出

the first simple living things.

最早的简单生物

Over billions of years this life forms became ever more sophisticated.

经过数十亿年 这些生物演化得愈来愈精致

Until eventually complex multicellular creatures,

一直到最后 复杂的多细胞生物

animals with brains,arrived.

有大脑的动物出现了

Complex animals need brains in order to process large amount of information.

复杂的动物需要大脑才能够处理大量的资讯

They need to be able to react to the world around them. And even plan ahead.

它们需要对周围环境作出反应 甚至提早规划

The more aware an animal is of its environment

动物对环境的察觉能力越高

The more successful it will be.

就越能成功

Eventually awareness became so sophisticated

到最后 察觉能力越来越强

That one animal became aware of itself.

某一种动物开始有自我意识

And that is what we are: self-aware animals.

那就是我们 有自我意识的动物

Animals that evolution has equipped with the ability to be conscious.

因为演化而拥有意识能力的动物

But how is this possible?

但这一切怎么可能呢

How can a biological structure possess the ability to think,to feel...

生物结构究竟是如何得到思考的能力 感受的能力

and to assign meaning to things?

以及为事情赋予意义

Not easy question to answer.

要回答这个问题可不容易

But there are theories about how consciousness could arise.

但有些理论解释了 意识可能是如何形成的

重点讲解

1、evolve

进化；演变

The bright plumage of many male birds has evolved to attract females.

很多雄鸟进化出鲜艳的羽毛是为了吸引雌鸟。

Maize evolved from a wild grass in Mexico.

玉米是从墨西哥的一种野生禾本植物进化而来的。

（使）逐步发展;（使）演化

a tiny airline which eventually evolved into Pakistan International Airlines.

最终发展成巴基斯坦国际航空公司的一家小型航空公司

Popular music evolved from folk songs.

流行音乐从民歌演变而来。

2、conscious

注意到的;意识到的

He was conscious of the faint, musky aroma of after-shave.

他注意到了须后水淡淡的麝香味。

She was very conscious of Max studying her.

她非常清楚马克斯在仔细端详她。

(尤指由于不满或自觉重要而)注意的，关注的

I'm very conscious of my weight.

我很在意自己的体重。

He is acutely conscious that this transition will bring with it the risk of social unrest.

他非常清楚这种转变伴随着社会动乱的危险。

(决定、行动等)有意的，刻意的

I don't think we ever made a conscious decision to have a big family.

我觉得我们没有刻意地决定要生很多孩子。

Make a conscious effort to relax your muscles.

有意识地放松肌肉。