信不信由你，这还不是地球历史上最严重的灾难。
Believe it or not, this wasn't the worst catastrophe in our planet's history.
地质学是研究地球历史的科学。
地球历史包含许多没有全新世稳定和温和的时期。
The planet's history contains many less stable and clement eras than the Holocene.
期，纪：地球历史进程中的一个时期，通常比世短。
A period in the history of the earth, usually shorter than an epoch.
假设某些外星人一直观察着我们地球的整个历史。
Suppose some aliens had been watching our planet for its entire history.
纵观历史，人们仅知道宇宙中只有一个地球存在，然而，用不了多不久，可能会出现一个新的，接着，又是一个。
Throughout history, only one Earth has been known to exist in the universe. Soon there may be another.
阿陀斯是人类历史的一个古迹，也是男子在地球上的最后一个隐居地。
Athos is a relic of human history. It is the last male retreat on earth.
地球的历史是包含了许多不如全新世稳定温和的时期的。
The planet’s history contains many less stable and clement eras than the Holocene.
火星像地球一样，是一个具有悠久历史的复杂和广阔的天地。
Mars, like planet Earth, is a complex and vast world with a long history.
为了做出正确的选择，我们必须要明白地球现在的地球在人类历史上最前所未有的四种变化趋势
To make the right choice, we must understand four earth-changing trends unprecedented in human history
为什么要学习地球科学，或者历史，还有代数？
因此，将痛苦转移的游戏在地球上有着漫长的历史。
So the game of moving pain around has a long history upon earth.
毕竟，这就是在历史此刻任何一个人能对地球做出的最大贡献。
After all this is the biggest contribution any human can make unto earth at this time of history.
地球上的生命进化或者人类社会的进化，只是一个单独的历史过程。
The evolution of life on earth, or of human society, is a unique historical process.
地质学对地球起源、历史和结构的科学研究。
Geology: the scientific study of the origin, history, and structure of the earth.
但是，我们知道，地球上的生命具有很长很复杂的历史。
But we know that life on earth has had a long and diverse history.
地球系统的历史信息是评估全球变化的一项重要因素。
The historical information is an important factor for the assessment of global change.
生命在地球上的出现及其演化有较长的历史。
The appearance of Earth life and its evolution have a long history.
这种早期前生命历史已经从地球记录里消失。
This early prebiotic history has been lost from the terrestrial record.
在地球的历史上，存在着不同层次的生物进化事件。
There are many gradations of evolutionary events in the history of the Earth.
历史的价值能超越其对日常生活的直接，这的另案例是人类是如何对环境及整个地球的。
A further example of the value of the study of history beyond its effect on daily life is the treatment of the environment and the earth as a whole.
历史研究的价值能超越其对日常生活的直接影响，这方面的另一个案例是人类是如何对环境及整个地球的。
A further example of the value of the study of history beyond its effect on daily life is the treatment of the environment and the earth as a whole.
贯穿地球的历史，成千上万的物种已经灭绝。
Throughout Earth's history, thousands of species of species of animals have died out.
地球的历史包含着许多不如全新世稳定与温和的地质时期。
The planet's history contains many less stable and clement eras than the holocene.
文章介绍了热动力学方法的研究历史、研究原理以及在研究地球化学机制中的应用。
We present the history and principle of thermodynamics and its application to mechanism of geochemistry.
历史上也没有像现在，有如此多的可能性造成地球的毁灭。
Nor, has there been such diverse possible causes for a meltdown on Earth.
历史上也没有像现在，有如此多的可能性造成地球的毁灭。
Nor, has there been such diverse possible causes for a meltdown on Earth.
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