它绕着自己的轴旋转；地轴是一条想像的穿过地球中央的、从北极到南极的线。
It turns around its axis, an imaginary line that goes straight through the middle of the earth from the North Pole to South Pole.
第十五个世纪欧洲知道，那天空由闭合的同心水晶球形做成，转动在中央地球附近和运载星和行星。
Fifteenth century Europeans' knew ', that the sky was made of closed concentric crystal spheres, rotating around a central earth and carrying the stars and planets.
采取这样的农业生产方式，以及把一些农场迁到邻近城市中央的地方，将对人类和地球都有利。
Both people and the planet would benefit by such treatment of agriculture and location of some farms in closer proximity to the city centers.
据说由于在春天的第一天，太阳位于地球两极的中央，由于特殊的重力作用，鸡蛋很容易被竖着放置。
It is said that due to the sun's equidistant position between the poles of the earth on the first day of the spring, special gravitational forces apply.
举例来说由熔岩冷却的而来的岩石，位于深深的海中央山脊的地方就形成了地球表面的板块，水晶晶体排列方向与磁场方向一致。
As the rocks cool from lava, for instance at the deep mid-ocean ridges where the earth's surface plates are formed, crystals line up with the direction of the magnetic field.
乞力马扎罗山便是在地球的中央（在赤道上）；
Mt. Kilimanjaro is at the middle of the earth (on the equator);
地球是我们独一寓居的中央，所以可想而知环境关于我们的重要性。
The earth is the only one place we live in. So you know how important the environment is.
甚至一直认为地球是宇宙中心，你们就如坐井观天的井底之蛙，而我又将此提高了一个境界- - - - - - - - - -中央旋转黑洞。
Or even that the earth is the center of the universe has always been, you sit idle as the frog in a well, and I was raised a realm of — this central rotating black hole.
再加上北冰洋又处在大块陆地的中央。这一切使得这块区域相对于地球另一端来说，在构架和气候方面存在显著的不同。
This, and the presence of the Arctic Ocean in the center of the great land mass, give the area a markedly different conformation and climate from that around the opposite pole.
关于我来说，这就是一代人绕过大半个地球来寻觅咱们以前从未见过的中央。
For mine is a generation that circles the globe and searches for something we haven "t tried before."
地球外表的70%被水掩盖着，那边是依然用尽水的世界的很多中央。因而我们应该使在地球上的水用得好。
About 70 percent of the earth's surface is covered with water, there are many places in the world still running out of water.
地球外表的70%被水掩盖着，那边是依然用尽水的世界的很多中央。因而我们应该使在地球上的水用得好。
About 70 percent of the earth's surface is covered with water, there are many places in the world still running out of water.
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