本文探讨了冈瓦纳古陆的形成和裂解的问题。
The formation and splitting of Gondwana land is still open to discussion.
冈瓦纳古陆最终解体了，成为我们今天知道的大陆。
Eventually Gondwana broke apart, becoming the continents we know today.
沙坡头是古丝绸之路北道，现欧亚大陆桥必经的咽喉之地。
Shapotou ancient Silk Road, North Road, the Eurasian Continental Bridge is essential to the throat.
沙坡头是古丝绸之路北道，现欧亚大陆桥必经的咽喉之地。
Shapotou ancient Silk Road, North Road, the Eurasian Continental Bridge is essential to the throat.
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