From Earth, we can only see one side of the moon.
从地球上，我们只能看到月球的一面。
Earth is the only one of the inner planets with a large satellite, the orbit of which is neither in the equatorial plane of Earth nor in the plane in which the other planets lie.
地球是内行星中唯一一个有大卫星的，它的轨道既不在地球的赤道平面上，也不在其他行星所在的平面上。
We only have one earth, so we need to take care of her.
我们只有一个地球，所以我们必须要照顾好她。
In our society, we know that Earth has only one moon.
在我们的社会中，我们知道，地球只有一个月亮。
The largest terrestrial planet, Earth has a diameter only one quarter as great as the diameter of the smallest Jovian planet, Neptune, and its mass is only one seventeenth as great.
最大的类地行星地球的直径仅仅是最小的类木行星海王星的四分之一，而且地球的质量仅仅是其质量的十七分之一。
We cannot emphasize the importance of protecting the environment too much because we have only one Earth.
再怎么强调保护环境的重要性也不为过，因为我们只有一个地球。
Throughout history, only one Earth has been known to exist in the universe. Soon there may be another.
纵观历史，人们仅知道宇宙中只有一个地球存在，然而，用不了多不久，可能会出现一个新的，接着，又是一个。
Because there is only one Earth.
因为我们只有一个地球。
人类只有一个地球！
In all, we have only one earth, we should do our best to protect it, or we will regret.
总之，我们只有一个地球，我们应该尽最大的努力去保护它，否则我们都会后悔的。
We have only one earth, one home for the peoples of all nations.
地球只有一个，各国人民只有地球这一个共同的家。
Earth is the only human to survive, we have only one Earth.
地球是人类唯一能够生存的地方，我们只有一个地球。
We have only one earth and the earth we live to the conditions, we could only survive on Earth.
我们只有一个地球，地球给了我们生存的条件，我们也只能在地球上生存。
In all , we have only one earth , we should do our best to protect it, or we will regret.
总之，我们只有一个地球，我们应尽全力去保护它，否则我们会后悔。 暀。
We have only one earth, the earth is our mother, our common need to protect.
我们只有一个地球，地球是我们的母亲，需要我们共同去保护。
We will get more population, more money, and consume more, but we have only one earth.
我们会有更多的人口，更多的钱，消耗的也更多，但是我们只有一个地球。
We live in the same planet, we have only one earth, the earth is our common home.
我们生活在同一个地球，我们只有一个地球，地球是我们共同的家。
We have only one earth. But now, the environment is becoming worse and worse.
我们只有一个地球。但是现在，环境已经变得越来越糟糕。
我们只有一个地球。
There is only one Earth that mankind calls home.
人类只有一个地球，我们共有一个家园。
There is only one earth, it is to the survival of humans natural resources and protecting the earth, is tantamount to care for their homes.
人类只有一个地球，它是人类赖以生存的自然资源，爱护地球，就等于爱护自己的家园。
There will be more population, more money, and more consumption as well, but there is only one earth for us to live in.
我们会有更多的人口，更多的钱，消耗的也更多，但是我们只有一个地球。
There will be more population, more money, and more consumption as well, but there is only one earth for us to live in.
我们会有更多的人口，更多的钱，消耗的也更多，但是我们只有一个地球。
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