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来源:雅诚德英语网
Beneath the Sahara are huge aquifers, basically a sea of fresh water, that's perhaps a million years old filtered through rock layers.
撒哈拉沙漠下面是巨大的含水层,基本上是一片淡水的海洋,那可能是经过岩石层过滤的,已经有一百万年历史。
Beneath the Sahara are huge aquifers, basically a sea of fresh water, that's perhaps a million years old filtered through rock layers.
撒哈拉沙漠下面是巨大的含水层,基本上是一片淡水的海洋,那可能是经过岩石层过滤的,已经有一百万年历史。