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.
瓦纳大
：南半球一块假定性的大，根据地壳构造学说，这块大
离成印度，澳大利亚，南极洲，非洲和南美洲
(假设中的原始大,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.
瓦纳大：南半球一块假定性的大，根据地壳构造学说，这块大离成印度，澳大利亚，南极洲，非洲和南美洲
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