地球的力量

It's only a question of finding them.But now, there's a new theory.
问题只是找没找到 但是现在有种新的理论
It's called the Rare Earth Theory.
像我们这样的星球可能很稀少这就是稀有地球理论
It says that simple life, like bacteria,
该理论认为像细菌一样的简单生命

the type of slime I've seen in hot volcanic pools,may be common in the universe.
我曾在火山泥浆潭里看到的那种粘性物质 可能在宇宙随处可见
But for complex life like plants and animals to evolve
但是复杂生命像植物和动物如果进化
requires an extraordinary sequence of events.
则需要大量事件发生
A nd ha ving tra veiled the world to make this series,
在环游世界制作这个系列节目的时候
what strikes me most is the incredible good fortune
我最大的感触是地球
it's taken to make our planet a home for such rich and diverse life.
能够成为如此丰富多样生命的家 真是不可思议的好运气
To get an idea of just how lucky Earth has been,
为了能够明白地球有多么幸运
let me take you back to what I reckon is the most important day in Earth's history.
让我带你们回到 我所认为的地球历史上最重要的一天
This one day was responsible for much of what makes Earth so special.
让地球如此特别大部分原因归功于这一天
And yet, it was just a chance event.
但是，这只是偶然的事件

重点讲解

1、common
常见的;普遍的
His name was Hansen, a common name in Norway.
他的名字叫汉森，在挪威是一个常见的名字。
Oil pollution is the commonest cause of death for seabirds.
石油污染是造成海鸟死亡最常见的原因。
共有的;共同的
Moldavians and Romanians share a common language.
摩尔达维亚人和罗马尼亚人使用同一种语言。
Such behaviour is common to all young people.
这种行为在年轻人中司空见惯。
寻常的;普通的
Democracy might elevate the common man to a position of political superiority.
民主也许能提升普通人的政治地位，让他们产生优越感。
Common salt is made up of 40% sodium and 60% chloride.
食盐由40%的钠和60%的氯化物构成。
2、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。