The sun is the major source of energy for our planet.
太阳是我们星球能量的主要来源。
We hope what we are doing will draw people's attention to protect our planet.
我们希望我们所做的能引起人们的关注来保护我们的星球。
We can't sit by and watch our planet destroyed.
我们不能坐视地球被破坏而不理。
Some say our planet is too crowded.
有人说，我们这个星球过于拥挤。
We need to protect our planet.
我们需要保护我们的地球。
The resources of our planet are finite.
我们地球上的资源是有限的。
这是我们的地球。
And our planet, earth, rotates on its own axis.
而且我们这个行星，就是地球还绕着自己的轴自转。
What can we do to protect the water on our planet?
我们能做些什么来保护我们这个星球上的水呢？
The energy we use can sustain our planet, or destroy it.
我们使用的能源能够维持我们这个星球的生存，也能造成它的毁灭。
The energy we use can sustain our planet, or destroy it.
我们使用的能源可以维持这个星球，也可以毁坏它。
Because we know that mindful eating can help save our planet.
因为我们知道正念的进食有助于拯救我们的地球。
Earth's climate has enabled life to evolve on our planet.
地球的气候允许生命在其上进化。
The power of the nearby moon has dramatically reshaped our planet.
地球附近的这个月亮的力量曾惊人地改变了我们这个星球。
Suppose some aliens had been watching our planet for its entire history.
假设某些外星人一直观察着我们地球的整个历史。
Viewed from space, the most striking feature of our planet is the water.
从太空看地球，我们星球最引人注目的特点就是水。
Life can be found in almost every nook and cranny of our planet Earth.
在地球的每一角落和缝隙几乎都存在生命。
They are insects, tiny yet very important inhabitants of our planet ecosystem.
它们就是昆虫，虽然渺小却是我们地球生态系统的重要居民。
We know more about outer space than we do about the interior of our planet.
我们对于外太空的了解比地球内部要多。
The spread of information networks is forming a new nervous system for our planet.
信息网络的扩展正在为我们的星球建立一个新的神经系统。
Apollo asteroids pose a threat to our planet as they routinely cross Earth's orbit.
阿波罗型小行星因定期地穿越地球轨道而构对地球的威胁。
A new theory suggests that water was already present at the birth of our planet.
不过一些新研究表明，水可能在地球诞生之初就已经存在。
地球有一个卫星。
地球有一个卫星。
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