That speed is also too fast to be explained by a phenomenon called true polar wander, in which the Earth's entire crust and mantle reorient, moving a different geographic region to the North Pole.
这一速度太快了而同样无法用真极移现象解释,真极移理论认为地球的整个地壳和地幔都在不断调整,将一个完全不同的地理区域移到了北极。
The British endurance swimmer and explorer wants to be the first person to swim at the geographic North Pole.
普是一位极限游泳运动探索者,他准备成为世界上在北极冰河游泳的第一人。
COBRA: It is not the geographic or physical North Pole.
柯博拉:那不是地理北极或者物理北极。
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