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.

 
  • 冈瓦纳大陆南半球一块假定性的大陆,根据地壳构造学说,这块大陆分离成印度,澳大利亚,南极洲,非洲和南美洲
今日热词
目录 附录 查词历史