Global warming could bring disastrous effects to Earth, so it is high time for us to protect our earth.
全球变暖可能给地球带来灾难性的影响，我们是时候应该保护地球了。
Let's take action to protect our earth and save polar bears.
让我们采取行动来保护我们的地球，拯救北极熊。
We should try to improve our earth as Berthas hometown is much better.
因为地球不如贝莎的家乡好，所以我们应该努力改善我们的地球。
Our earth is becoming more and more polluted because of the rapid increase in population.
由于人口的快速增长，我们的地球污染越来越严重。
If all of us can live peacefully with animals, we believe that our earth will become better.
如果我们所有人都能与动物和平相处，相信我们的地球会变得更好。
If we don't look after our earth carefully, the day will come when flowers will only be able to grow on the moon.
如果我们不仔细照顾我们的地球，总有一天，花将只能在月球上生长。
Even though our earth is rich in water resource, there is still a shortage of water in many places because ocean water can't be used directly.
尽管地球的水资源丰富，但由于海水不能直接被利用，所以仍有许多地方缺水。
The moon, by the way, is called a satellite because it goes round our earth as well as round the sun.
顺便说一下，月亮被称为卫星，是因为它围绕着我们地地球盍同时围绕太阳运转。
Our earth turns on its axis once in every twenty-four hours, and goes also round the sun once a year.
地球围绕自己的轴线旋转为每24小时一周，即一天；地球环绕太阳一次的时间为一年。
But I want to remind you that, owing to overdeveloping of natural resources, our earth is facing a disaster.
但我想提醒大家，由于自然资源的过度开发，我们的地球正面临一场灾难。
During our short days we experience cold, because the warming light of the sun does not reach our earth directly.
而在白昼短暂的那些日子，我们之所以经历着寒冷，也是因为太阳光线不能直射大地。
Old science fiction movies fantasized about aliens wanting our Earth women (like the 1959 "Teenagers From Outer Space").
甚至有些陈旧的科幻电影想象外星人想得到地球的女人(如1959年的电影《来自太空的少年》)。
If we just step back as a society and ask, 'how important is it that we understand how and why our Earth is changing?'
如果我们退一步仅从社会角度来问，'我们了解我们的地球正在发生怎样的变化以及变化的原因是什么？ '？
No matter how much manufacturers try to make cars environmentally friendly, it will damage our earth in one way or another.
不管汽车生产厂商多么尽力生产有益于环保的汽车，汽车还会以种种不同方式破坏我们的地球。
It is about two and a half times nearer to the sun than our earth, therefore it receives nearly seven times as much light.
它与太阳的距离与地球相比，大约是1：2 .5，因此，水星受到太阳照射的强度大约是地球的7倍。
PowerHouse has just published some of the work in Fair's first book, the Day After Tomorrow: Images of Our Earth in Crisis.
PowerHouse刚刚发布了费尔首个影集——《后天：地球危机图片集》里面的几张作品。
It is people that give cities their culture, character and creativity, turning them into landscapes that beautify our earth.
人，赋予了城市文化、性格和创造力，才使得城市成为地球上一道多姿的风景。
'We've seen similar pictures in movies like Star Wars and the likes but I have never seen realistic renderings for our Earth.
我们曾在像《星球大战》等电影中见过类似的图像，但我从未见过对地球的真实写照。
We’re going to pay for it later as the rising cost of polluting our earth and heating up our climate comes to collect its toll.
为了治理地球上的环境污染和温室效应，我们将支付更多的后续成本，这些成本也许高昂得难以计算。
Galaxies that appear this thin are rare mostly because our Earth must reside (nearly) in the extrapolated planes of their thin galactic disks.
我们之所以很少能看到这么薄的星系，主要是由于我们的地球一定要处在(接近于)这些超薄盘状星系据推测所在的平面内才能看到薄的那一面。
If there were any inhabitants of the moon, they would see our earth reflecting the light of the sun, again like a huge mirror hung in the sky.
假定月球上也有居民，他们就会看到，地球也像一面高悬在天空中的巨型的镜子一样，反射太阳光到月球上。
The mission was to attach a HD video camera to a weather balloon and send it up into the upper stratosphere to film the blackness beyond our earth.
这项任务是把一个HD高清摄像机系在一个太空探测气象气球上，放飞到同温层上面，拍摄地球外面的黑暗。
“Can you imagine if we’ve passed the apex of our Earth-observing capability right at a time when we realize that, ‘Hey, we need to understand what’s going on’?” said Abdalati.
你能想象如果我们能超越过去实现的观测能力的顶峰，'嘿，我们需要了解现在怎么样了？
“Can you imagine if we’ve passed the apex of our Earth-observing capability right at a time when we realize that, ‘Hey, we need to understand what’s going on’?” said Abdalati.
你能想象如果我们能超越过去实现的观测能力的顶峰，'嘿，我们需要了解现在怎么样了？
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