(单词翻译:单击)
地球的力量
And there was one final, rather special gift
地球和它的孪生星球碰撞最后
that the collision with Earth's twin bestowed upon our planet.
还留给我们星球一个特别的礼物
As the debris from the explosion orbited the Earth,
爆炸后导致的残骸围绕着地球旋转
it began to coalesce, until it formed a new planetary body,the Moon.
开始彼此结合形成了一个新的星体 月球
But because of the way it formed,ours is unusually large,
但是由于它形成的方式 我们的月球很大而且离我们很近
and it's made an unusually big difference to Earth's development.
所以它就会对地球的进化产生不寻常的作用
As the Moon orbits Earth, its gravity pulls the water and the oceans towards it.
月球绕着地球旋转它的重力将水 还有海洋拉起来
The constantly changing tidal zone this creates
发生潮汐的地点不断变化
provided an evolutionary testing ground for Earth s early creatures.
为地球早期生物提供了一个进化试验场地
But the tides would happen without the Moon,
但是潮汐并不是月球给地球生命最大的贡献
and are not the Moon's greatest contribution to life on Earth.
更重要的是多亏了月球
Without the Moon,Earth's temperature might regularly switchfrom boiling hot to way below freezing.
没有月球 地球温度会经常在超高温和超低温之间转换
重点讲解
1、constant
持续不断的;重复的;一直存在的
She suggests that women are under constant pressure to be abnormally thin.
她暗示说女性总是处在保持身材异常瘦削的压力之下。
Inflation is a constant threat.
通货膨胀始终是个威胁。
恒定物;常数;常量;常项
In the world of fashion it sometimes seems that the only constant is ceaseless change.
在时装界,有时似乎唯一永恒不变的东西就是不断的变化。
Two significant constants have been found in a number of research studies.
若干研究已经发现了两个重要常量。
2、contribute
(为…)做贡献
The three sons also contribute to the family business.
这3个儿子也为家族事业做出了贡献。
I believe that each of us can contribute to the future of the world.
我相信我们每一个人都能够对世界的未来有所贡献。
捐献;捐助;援助
The US is contributing $4 billion in loans, credits and grants.
美国将提供40亿美元的信贷和赠款。
They say they would like to contribute more to charity, but money is tight this year.
他们说他们很想捐献更多的钱支持慈善事业,但是今年的钱非常紧张。
促成;促使;是导致…的原因之一
The report says design faults in both the vessels contributed to the tragedy.
报告说两艘船存在的设计缺陷也促成了这场悲剧的发生。
Stress, both human and mechanical, may also be a contributing factor.
来自人的和机械方面的压力可能也是一个因素。