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。
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。
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。
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。
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”。
In the rusty red deserts of South Africa, steep-sided rocky hills called inselbergs rear up from the plains like the bones of the earth.
在南非铁锈般红色的沙漠中，被称为岛山的陡峭岩石山丘从平原上拔地而起，就像大地之骨。
"If I have a spade," she whispered, "I can make the earth nice and soft and dig up weeds."
“如果有把铲子，”她低声说，“我就能把地弄得又软又漂亮，还能把杂草挖出来。”
At first, the gugin had only five strings, representing the five elements of metal, wood, water, fire and earth.
起初，古琴只有五根弦，代表金、木、水、火、土五种元素。
They are working in the earth now—pushing up pale green points because the spring is coming.
它们现在正在土壤里使劲儿——把嫩绿的芽拱出来，因为春天就要来了。
Many people think that the rainbow is a symbol of good fortune because it connects heaven and earth.
很多人认为彩虹是好运的象征，因为它连接了天和地。
For the first thirty miles the red earth road wound its way through the lowland forest, the giant trees standing in solid ranks alongside and their branches entwined in an archway of leaves above us.
在最初的三十英里里，红土路蜿蜒穿过低地森林，高大的树木整齐地排列在我们的两旁，它们的枝桠在我们头顶上交错成一个树叶拱门。
地球是我们的家园。
Elephants are the largest land animals on earth.
大象是地球上最大的陆地动物。
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。
Many more people have realized saving the earth begins with small things.
越来越多的人意识到拯救地球要从小事做起。
After Hou Yi shot down the nine suns, everything began to grow on the earth.
后羿射下九个太阳后，地球上的万物都开始生长。
He is always dreaming that he can fly to space to look at the earth one day.
他总是梦想着有一天能飞到太空中遥看地球。
The artist was finally humbled by the greatest artist on earth, Mother Nature.
这位艺术家最终被世界上最伟大的艺术家——大自然母亲所折服。
Each day I will keep trying to change one thing that I do to protect the earth.
每一天，我都会努力改变我所做的一件事来保护地球。
They represent the earth coming back to life and best wishes for new beginnings.
它们代表着大地的复苏和对新开始的美好祝愿。
Winter and summer happen because the earth is tilted as it revolves around the sun.
冬天和夏天的出现是因为地球绕太阳公转时是倾斜的。
She is probably one of the coolest, funniest and most down-to-earth people I've ever met.
她可能是我见过的最酷、最有趣、最接地气的人之一。
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。
People all over the country feel proud that all China's spacecraft have successfully returned to the earth.
全国人民为中国所有的宇宙飞船成功返回地球而感到自豪。
The moon's gravity is a sixth as strong as the earth's, so Chang'e-4's experiment was a test: would the earth plants know which way was up on the moon?
月球的引力是地球引力的六分之一，所以嫦娥四号的实验是一个测试：地球上的植物能知道月球上哪个是向上的方向吗？
The sprouts have pushed up the earth.
嫩芽把土顶起来了。
The sprouts have pushed up the earth.
嫩芽把土顶起来了。
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