These are not the dunes of the Sahara. In fact, they are found beyond the Arctic Circle in the permafrost of Russia’s north.
dunes n.[地理]沙丘 Arctic Circle 北极圈 permafrost n.多年冻土；永久冻结带；永久冰冻
These are not the dunes of the Sahara. In fact, they are found beyond the Arctic Circle in the permafrost of Russia’s north.
dunes n.[地理]沙丘 Arctic Circle 北极圈 permafrost n.多年冻土；永久冻结带；永久冰冻
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