adj. earthly ; earth's ; terrestrial ; telluric
估计地球的年龄大约为46亿年。
The age of the earth is reckoned at about 4 600 million years.
月球对地球的吸引力引起潮汐。
地球的周长大约为25 000英里。
It's from that story we have the idea that mankind is responsible or has dominion over the animals and the earth.
从这个故事中,我们感到,人类是重要的,人类统领着,其他动物和整个地球。
Actually, this is my first Earth Day and I don't know that much about it.
实际上这是我过的第一个地球日,我并不是很了解。
That is the lowest point on the earth's land surface so this dramatic drop in just a very short geographical area.
这是地球陆地表面的最低点,这急剧下降是在很短的地理范围内。
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