These species open a window on a croc world completely foreign to what was living on northern continents.

这些物种打开了一扇揭示鳄鱼世界的窗口，它们与生活在北部大陆上的动物完全不同。

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These species open a window on a croc world completely foreign to what was living on northern continents.

这些物种打开了一扇揭示鳄鱼世界的窗口，它们与生活在北部大陆上的动物完全不同。

youdao