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来源:雅诚德英语网
At the end of the Cretaceous, the geological record shows that these seaways retreated from the continents back into the major ocean basins.
地质记录显示,在白垩纪末期这些航道从大陆撤退,回到主要的海洋盆地。
At the end of the Cretaceous, the geological record shows that these seaways retreated from the continents back into the major ocean basins.
地质记录显示,在白垩纪末期这些航道从大陆撤退,回到主要的海洋盆地。