板块构造论是由德国科学家AlfredWegener于二十世纪早期开创的。
The story of plate tectonics begins with the German scientist Alfred Wegener in the early part of the twentieth century.
板块构造论认为，地球表面由十来个巨大的地壳板块构成，漂浮在浩瀚如海的部分熔岩上。
The theory of plate tectonics holds that the surface of Earth is composed of a dozen or so huge crustal slabs that float on a sea of partially molten rock.
板块构造论认为，地球表面由十来个巨大的地壳板块构成，漂浮在浩瀚如海的部分熔岩上。
The theory of plate tectonics holds that the surface of Earth is composed of a dozen or so huge crustal slabs that float on a sea of partially molten rock.
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