你为什么在地球上？
是什么在地球上，你希望有一个玻璃立方体，我问她。
科学家们通过研究发现这些化石的地方，希望能找到羽毛最早什么时候和为什么在地球上出现这个谜题的答案。
When and why feathers first appeared on the earth is just one puzzle scientists hope to solve by studying the area where the fossils were found.
为什么它们在地球上分布得如此不均匀？
在很长一段时间里，没人知道火星是什么时候被发现的，谁发现的，也不知道有一种行星可以不用望远镜就能从地球上看到。
It's not known when Mars was found and by whom Mars has been known for a very long time, and one of the planets that can be seen from the Earth without a telescope.
我开始明白为什么你在地球上这么不开心了。
想想看，在地球上你吞一口啤酒会发生什么？
Think about it, what happens when you swallow a mouthful of beer on Earth?
如果这是物体-，你可以想成，在地球上，如果你想-，这里有个物体，我必须知道这两个，物体之间的力是什么。
M if this is an object, capital m — and you can think of this as being the Earth, - if you want to — m and there is here an object little m, then I have to know what the forces are between the two.
因为在北极进行的研究比在其它地方少得多，这些结果也许会有统计上偏差。 不管异常的解释是什么，在计算地球呼吸率和确认其速度加快时，都纳入了那个数据。
Because there were many fewerstudies conducted in the Arctic than elsewhere, the results may beprone to statistical aberrations.
这具冻尸结果是迄今发现的最完整的史前动物标本，但卢芭仍旧未能回答一直困扰着人类的问题 - 猛犸象在地球上繁衍生息数十万年后为什么神秘消失了？
The frozen carcass turned out to be the most complete specimen of a prehistoric animal discovered.
因为很少人真正理解什么是云计算，从来就不关心它怎么在地球上运作的。
That's because few people can even seem to agree on what cloud computing is never mind how on earth it should work.
因为很少人真正理解什么是云计算，从来就不关心它怎么在地球上运作的。
That's because few people can even seem to agree on what cloud computing is, never mind how on earth it should work.
为什么引力在太空和在地球上一样？
无论你是在黑洞里，现在在地球上，还是在那个处于中间的什么也没发生的多元宇宙，都没关系，都会是这样。
That's true if you're inside a black hole, here on Earth, in the middle of nowhere, it doesn't matter.
在地球上你们能看到什么？我们能看见各种各样的植物。
What can you see on the earth? We can see all kinds of plants.
你会穿什么你在地球上的最后一天？
“加工食品不论意味着什么，都并不可怕”，分析员Lempert说道，“事实是，在未来的20到30年里，我们地球上的人口数量将增加一倍。”
"Processed food — whatever that means — is not all terrible," says analyst Lempert. "the reality is that in the next 20 to 30 years we're going to double the number of people on the planet."
然而，是什么力量在地球上是弱于微弱的力量之一。
Yet what force on earth is weaker than the feeble strength of one.
现在你能明白么，不管你现在在地球上拥有什么，对于在最近的未来正在等待着你们的一切都将是无足轻重的。
Can you now see that regardless of what you have on Earth, it will pale into insignificance against what is waiting for you in the immediate future.
地球上每一个人知道红灯停。然而，在中国，这只是取决于。取决于什么？取决于，取决于谁，取决于什么时候。
Every one on the globe knows red light is stop. However, in China, this just depends. Depends on what? Depends on where, depends on who and depends on when.
在很多重要的方面，火星和地球相似，这意味着如果我们地球存在生命，火星上为什么不能存在呢？
Well, Mars is similar to the Earth in some important ways which means if life developed on our planet, why not Mars?
保持冷静，因为地球上的事件在进展，有时候确实会显得很令人不安，但是请明白没有什么事情会再持续很久了。
Keep calm as the events on Earth progress, as at times it will appear rather unsettling but know that nothing will last for very long.
在今天的地球母亲日上，我要求我们每一个人都要注意到我们的选择对这个星球的影响，以及这些影响对子孙后代将意味着什么。
Today, on Mother Earth day, I ask each one of us to be mindful of the impacts our choices have on this planet, and what those impacts will mean for future generations.
她经历了这么多的事情，准备以什么样的心情和面目去见自己在地球上的‘亲人’呢？
She experienced so many affairs, preparation with what kind of mood and facial expression see oneself at on the earth of 'close relatives'?
与此同时，你们试着去理解在地球上正在发生什么，因为你们看见旧的方式仍然还存在，然而你们知道的改变正在开始显现。
Meanwhile, you try to make sense of what is happening on Earth as you see the old ways still in place, yet you hear of changes that are starting to manifest.
小杜在地球上发现了什么，让她如此不安？
小杜在地球上发现了什么，让她如此不安？
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