Gondwanian

例句：

1. 1.The Gondwana supercontinent is believed to have formed over 500 million years ago.
   据信冈瓦纳超级大陆大约在5亿年前形成。
2. 2. The discovery of the Gondwanan meteorite has sparked new debates about its origins.
   发现冈瓦纳陨石引发了关于其起源的新辩论。
3. 3. The Gondwana region was once home to a diverse range of ecosystems.
   冈瓦纳地区曾经是多样生态系统的家园。