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
的大，根据地壳构造学说，这块大分离成印度，澳大利亚，极洲，非洲
洲
(
设中的原始大,又称supercontinent)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：半球一块的大，根据地壳构造学说，这块大分离成印度，澳大利亚，极洲，非洲洲
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