N-UNCOUNT Continental drift is the slow movement of the Earth's continents toward and away from each other. 大陆漂移
Wegener proposed the continental drift theory.
魏格纳提出了大陆漂移说
In 1912, Alfred Wegener proposed, in a widely debated theory that came to be called continental drift, that Earth's continents were mobile.
1912年,阿尔弗雷德·魏格纳在一个被称为“大陆漂移”的理论中提出,地球上的大陆是可移动的。
Earth's internal heat, fueled by radioactivity, provides the energy for plate tectonics and continental drift, mountain building, and earthquakes.
地球内部因放射而产生的热量为板块运动、大陆漂移、造山运动和地震提供了能量。
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