- The saltwater layer is extremely low in oxygen
咸水层的含氧量很低 - making it a particularly difficult place for animals to live.
对动物而言是极为困难的生境 - Yet some have managed it,
但有些动物却能在此生存 - like the remiped, one of the most ancient of all living crustaceans.
例如桨足虫——一种最古老的甲壳动物 - The Maya understood the importance of the cenotes,
玛雅人知道沼穴的重要性 - but they could never have known that these flooded passageways were actually the beginning of subterranean rivers,
但他们从不知道这些水下通道 其实是地下河的入口 - all of which eventually flow out to the sea.
它们最终都流向大海
like the remiped, one of the most ancient of all living crustaceans. 例如桨足虫——一种最古老的甲壳动物
阅读次数 2
