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.
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.
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.
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.
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.
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