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冻土层
凍土層
dòngtǔcéng
1. permafrost
2. tundra
3. layer of frozen soil

Character Breakdown

冻
dòng
cold; to freeze, to congeal; jelly
HSK 5 7 丶
土
tǔ
soil, earth; items made of earth
HSK 5 3 丶
层
céng
layer, floor, story, stratum
HSK 3 7 丶

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Category
Chinese