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神秘的月球 第9期

时间:2018-03-21 06:31来源:互联网 提供网友:mapleleaf   字体: [ ]
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    (单词翻译:双击或拖选)

   The moon was an ancient, fossilised world.

  月球是个古老的化石世界
  Its rocks hadn't changed for billions of years.
  它的岩石数十亿年来没有改变
  Scientists were thrilled.
  科学家喜出望外
  Basically the surface of the moon kind of froze
  基本上来说,月球表面
  about roughly 3 billion years ago and preserved
  在大约30亿年前结冰
  really the first one and a half billion years of its history.
  因此保存了月球历史的头15亿年
  The moon tells us very much about
  月球大大提升了
  the early history of the solar system.
  我们对太阳系早期历史的了解
  It's probably one of the best recorders
  可说是太阳系早期历史
  of the early history of our solar system.
  保存最好的纪录
  This ancient fossil was a scientific gold mine.
  这个古老化石是科学上的金矿
  Because the moon was so well preserved it meant scientists
  因为月球保存良好,因此表示科学家
  could finally answer the question that had come to obsess1 them.
  终于可以回答萦绕心头多年的问题:
  How was the moon formed?
  月球是如何形成的?
  At the time, there were 2 competing theories.
  当时有两派说法
  The first was that the moon and the earth
  一派主张月球和地球来自相同的星云
  were formed at the same time, from the same cloud of dust and gas.
  并在同时形成
  The other theory was that the moon
  另一派则主张
  was originally nothing do with the earth,
  月球原本与月球毫无瓜葛
  but was wandering alone in space until the earth
  而是兀自地在太空中漫游
  sucked it in with the power of its gravity.
  直到被地球的引力吸住为止
  But the rocks themselves didn't seem to support either theory.
  但月岩让这两派说法不攻自破
  They were different enough from rocks on earth
  它们和地球上的岩石的差异
  to make it unlikely they were all formed at the same time.
  让人觉得它们不太可能是同时形成的
  But they had enough similarities to make it equally unlikely
  但两者间的相似性又让人觉得
  that the moon was a completely foreign body.
  月球不可能和地球毫无瓜葛
  Eventually scientists came up with a new theory
  最后科学家终于提出了一个新的理论
  that explained these strange rocks.
  来解释这些奇特的岩石
  It was a brutal2 tale.
  但这是个残酷的故事
  It takes us back 4 billion years to
  这要从40亿年前说起
  when the solar system was a young and volatile3 place.
  当时的太阳系新近形成,动荡不安
  There were many planets and asteroids4 circling the sun.
  太阳周围有许多行星和小行星
  One of these was a young earth.
  其中之一就是年轻的地球
  But there was also another young planet, a bit smaller.
  但当时还有一个体积比较小的年轻行星
  The two were on a collision course.
  它眼见就要撞上地球
  Eventually they crashed together.
  小行星终于撞上了地球
  It was the biggest bang the solar system had ever seen.
  惊天动地的撞击力道为太阳系中所仅见
  The impact was so massive that it spewed out millions of tons
  撞击如此猛烈导致数百万顿的
  of molten rock and gases.
  熔岩和气体喷出
  As this debris5 circled the earth it came together,
  这些碎片环绕地球时
  forming a separate body our moon.
  逐渐凝聚形成一个独立星体,这就是我们的月球
  When it first formed the moon was 10 times
  月球刚形成时与地球的距离
  closer to the earth than it is today.
  是现今的十分之一
  So it appeared much bigger in the sky
  所以看起来不仅大得多
  and its gravitational pull was much stronger.
  引力也更强
  But over time it slowly drifted away from the earth
  但随着时间过去,月球和地球渐行渐远
  to its present position about a quarter of a million miles away.
  直到离地球约25万里远的地方
  And there its orbit seemed to have stabilised,
  月球的轨道似乎在此处稳定下来
  its distance from earth fixed6 for all time.
  月球和地球间的距离就此固定,再也没有任何改变

点击收听单词发音收听单词发音  

1 obsess QITxu     
vt.使着迷,使心神不定,(恶魔)困扰
参考例句:
  • I must admit that maps obsess me.我得承认我对地图十分着迷。
  • A string of scandals is obsessing America.美国正被一系列丑闻所困扰。
2 brutal bSFyb     
adj.残忍的,野蛮的,不讲理的
参考例句:
  • She has to face the brutal reality.她不得不去面对冷酷的现实。
  • They're brutal people behind their civilised veneer.他们表面上温文有礼,骨子里却是野蛮残忍。
3 volatile tLQzQ     
adj.反复无常的,挥发性的,稍纵即逝的,脾气火爆的;n.挥发性物质
参考例句:
  • With the markets being so volatile,investments are at great risk.由于市场那么变化不定,投资冒着很大的风险。
  • His character was weak and volatile.他这个人意志薄弱,喜怒无常。
4 asteroids d02ebba086eb60b6155b94e12649ff84     
n.小行星( asteroid的名词复数 );海盘车,海星
参考例句:
  • Asteroids,also known as "minor planets",are numerous in the outer space. 小行星,亦称为“小型行星”,在外太空中不计其数。
  • Most stars probably have their quota of planets, meteorids, comets, and asteroids. 多数恒星也许还拥有若干行星、流星、彗星和小行星。
5 debris debris     
n.瓦砾堆,废墟,碎片
参考例句:
  • After the bombing there was a lot of debris everywhere.轰炸之后到处瓦砾成堆。
  • Bacteria sticks to food debris in the teeth,causing decay.细菌附着在牙缝中的食物残渣上,导致蛀牙。
6 fixed JsKzzj     
adj.固定的,不变的,准备好的;(计算机)固定的
参考例句:
  • Have you two fixed on a date for the wedding yet?你们俩选定婚期了吗?
  • Once the aim is fixed,we should not change it arbitrarily.目标一旦确定,我们就不应该随意改变。
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