For example, scientists have found evidence that there could be liquid water-which is necessary for life on earth-at many places on the Mars.
他说，比如，科学家曾经在火星上的很多地方发现曾有液态水存在的证据，而这是生物生存的必要条件。
IT has a bright future because technology is pervading every aspect of culture, commerce, and life, and there are still many places on earth where technology will be spreading in the coming decades.
IT依然前景光明，因为技术遍及文化、商业和生活的方方面面，未来数十年，地球上还有许多地方在等待技术的传播。
L Most scientists believe that if there is ET life anywhere in the Universe, it must be based on the chemistry of carbon, as life on Earth is.
l大多数科学家认为，太空中如果有外星生命，它们一定也和地球上的生物一样离不开碳化合物。
However it came into being, Rees argued, our universe is inherently life-supporting, and there is no reason to believe that that potential has been realized only on Earth.
然而，它形成了人类，里斯辩论道，我们的宇宙是固有的生命支持，并且没理由相信那种潜能已经只在地球上实现。
While the greenhouse effect is an essential environmental prerequisite for life on Earth, there really can be too much of a good thing.
虽然“温室效应”是的地球生物生存的前提条件，但太多的温室气体也不是件好事。
The truth is: we have no idea how much life there is on Earth. And we've only just begun even attempting to find out.
事实是：我们根本不知道地球上有多少生命。我们才刚刚开始试图找到答案。
Water is very important to living things. Without water there can be no life on earth.
水对有生命的东西是十分重要的，离开水他们就不能在地球生存。
The patterns in the ice reveal that, far below, there is an ocean with more potentially life-giving water than all the oceans on Earth.
在冰面上模式显示，远低于中，有一个与海洋更多潜在的生命提供比地球上所有的海洋的水。
You come back impressed, once you've been up there, with how thin our little atmosphere is that supports all life here on Earth.
你一旦去过太空，你对那维系地球上所有生命的大气是如此之薄将会留有深刻的印象。
Prof. Zog, Why are we spending billions and billions of zilches to land a flying saucer on Earth when there is no life there?
佐格教授，既然地球上没有生命，那么为什么我们还要花费好几亿的资金向那儿发射飞碟呢？
The other is the mediocrity principle, which suggests that because there is life on Earth, it will typically exist on Earth-like planets throughout the universe.
另一个是平庸原理，它指出因地球上存在生命，宇宙中其它类似行星也存在相关的自然过程。
There is a legend about a bird which sings just once in its life, more sweetly than any other creature on the face of the earth.
有一个传说，说的是有那么一只鸟儿，它一生只唱一次，那歌声比世上所有一切生灵的歌声都更加优美动听。
Water is very important for living things. Without water there can be no life on earth. All animals and plants need water. Man also needs water.
水对生物很重要，没有水，地球上就没有生命。所有的动植物都需要水。人类也需要水。
Thus we can say that the sun is the place where nearly all energy comes from, and that without the sun's heat and light, there could be no life on earth.
这样我们可以说太阳是几乎所有能量的来源。没有太阳的光和热，地球上就没有生命可言。
There is nothing more important in life than the sun. Without the sun all living things on Earth would die.
没有东西在生活方面比太阳更重要。没有太阳地球上的所有生物会死。
There are few places on earth where life is as short and brutal as in Bundelkhand, the 6 desolate region straddling the southern tip of Uttar Pradesh where Banda lies.
在这个地球上，很少有地方的生命比印度的本德尔·坎德区更短暂、更残酷了。这个荒凉的地方位于北方邦南端，班达地区就属于这个区域。
There are few places on earth where life is as short and brutal as in Bundelkhand, the 6 desolate region straddling the southern tip of Uttar Pradesh where Banda lies.
在这个地球上，很少有地方的生命比印度的本德尔·坎德区更短暂、更残酷了。这个荒凉的地方位于北方邦南端，班达地区就属于这个区域。
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