地球也是一个大磁体，它的两个极分别在接近地理南极和地理北极的地方。
The Earth is also a big magnet, and its two very near the geographic South Pole, respectively, and the geographical North Pole areas.
他的最大成就之一就是带领国家地理探险队到南极拍摄有历史记载的最大冰山。
One of his biggest achievements was leading a major National Geographic expedition to Antarctica to film the largest iceberg in recorded history.
月球南极的很多地区都保留着古老的地理线索，对研究太阳系的形成很有帮助。
Many areas of the lunar South Pole are literally frozen in time, holding preserved clues to the formation of our solar system.
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