The earth takes a year to orbit the sun.
地球绕太阳一周要一年的时间。
Eighty million years ago, dinosaurs ruled the earth.
八千万年前，地球是恐龙的天下。
The ozone layer shields the earth from the sun's ultraviolet rays.
臭氧层保护地球不受太阳紫外线的辐射。
People were awestruck by the pictures the satellite sent back to earth.
人们对人造卫星送回地球的图片叹为观止。
After a week at sea, it was good to feel the earth beneath our feet again.
出海一周后，重新踏上陆地感到很愉快。
The earth would be a frozen ball if it were not for the radiant heat of the sun.
要是没有太阳的辐射热，地球将会是一个冰冻的球体。
她在大地上遨游。
I kissed the earth and tasted nature.
我亲吻大地，品味大自然。
Save water for the future of our earth.
为了地球的未来，节约每一滴水。
And the earth replies all night, like a deep drum.
大地整夜回响，像深沉的鼓声。
As spring comes, everything on earth comes to life.
春天来了，地球上的一切都苏醒了。
Spring returns to the earth.; Spring has come (round).
大地回春。
It is the tears of the earth that keep her smiles in bloom.
是大地的眼泪使她的微笑如花绽放。
They hope the new materials are both comfortable and good for the earth.
他们希望新材料既舒适又对地球有益。
The campaign is intended to raise public awareness of protecting our earth.
该活动旨在提高公众保护地球的意识。
He hopped about and pecked the earth briskly, looking for seeds and insects.
他跳来跳去，轻快地在土地上啄着，寻找种子和昆虫。
In Scandinavian mythology the rainbow was a bridge between the gods and the earth.
在斯堪的纳维亚神话中，彩虹是神与大地之间的桥梁。
Meanwhile, a pretty princess from heaven secretly came to the earth to find happiness.
与此同时，一位来自天堂的美丽公主偷偷来到地球寻找幸福。
Every creature on the earth should be treated as an equal member of the nature and be protected.
地球上的每个生物都应被视为自然界平等的一员，并受到保护。
Eleven point two kilometers per second, at which satellites can be freed from the gravitation of the earth, is called "escape speed".
卫星以11.2千米每秒的速度前进可以脱离地球引力，这被称为“逃逸速度”。
I must be the happiest person on earth !
我一定是世界上最幸福的人！
The horses' hooves bit deep into the soft earth.
马蹄深深地陷进了松软的土里。
The earth revolves both round the sun and on its own axis.
地球既公转又自转。
The earth revolves both round the sun and on its own axis.
地球既公转又自转。
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