Some uses of color in nature remain unknown, but one thing is for sure, color not only makes our planet beautiful but it is also necessary for our planet to live on.
颜色在自然界的一些用途仍然未知，但有一件事是肯定的，颜色不仅使我们的星球变得美丽，也是我们的星球得以生存的必要条件。
Want to make a difference to our planet?
想要改变我们的星球吗？
The "house" Haeckel had in mind is our planet, Earth.
海克尔心目中的“房子”是我们的星球——地球。
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。
Look at the Earth from space. Why does our planet look so blue?
从太空中看向地球。为什么我们的星球看起来如此之蓝？
Nowadays, people around the world are working to help our planet.
如今，世界各地的人们都在努力帮助我们的星球。
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。
Can our planet afford to have any great thinkers become discouraged and give up?
我们的星球能承受任何伟大的思想家变得气馁和放弃吗？
With less pollution, our planet will become greener and our health will be better.
随着污染减少，我们的地球会变得更绿，我们也会更加健康。
In the end, the best fuel will be both affordable for car users and green for our planet.
最终，最好的燃料是车主可以负担得起的，同时对我们的星球来说是环保的。
We can't sit by and watch our planet destroyed.
我们不能坐视地球被破坏而不理。
Year after year, faster and faster, consumption outpaces the biological capacity of our planet.
年复一年，消耗速度越来越快，超过了地球的生态承载力。
Earth—our home and our planet, is a truly amazing place to live.
我们的家园和星球——地球，是一个非常适合居住的地方。
Is it possible to have a diet that's both healthy and friendly to our planet?
可能有一种既健康又对地球友好的饮食吗？
In fact, the Amazon Rainforest is the "lungs of our planet" because it produces 20% of the world's oxygen.
事实上，亚马逊雨林是“地球之肺”，因为它为地球供给了20%的氧气。
This metallic core gives Earth its characteristic magnetic field, which has played an extremely important role in the history of our planet.
这种金属核赋予地球特有的磁场，在地球的历史上发挥了极其重要的作用。
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。
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。
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。
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