The protocontinent of the Southern Hemisphere, a hypothetical landmass that according to the theory of plate tectonics broke up into India, Australia, Antarctica, Africa, and South America.
冈瓦纳大:半球一块假定性的大,地壳构造学说,这块大分离成印度,澳大利亚,,非和美
The protocontinent of the Southern Hemisphere, a hypothetical landmass that according to the theory of plate tectonics broke up into India, Australia, Antarctica, Africa, and South America.
冈瓦纳大:半球一块假定性的大,地壳构造学说,这块大分离成印度,澳大利亚,,非和美
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