名词
中文翻译：干永久冻土
同义词：
['dry permafrost', 'dry ground', 'frozen ground']
例句：
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1.The region is known for its dry permafrost, which can lead to severe soil erosion.
该地区以干永久冻土而闻名，这可能导致严重的土壤侵蚀。
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2. The scientists are studying the effects of climate change on the permafrost in this region.
科学家们正在研究气候变化对该地区永久冻土的影响。
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3.Due to the dry permafrost, it is difficult to dig a deep well without causing the ground to thaw.
由于干永久冻土，在不使地面解冻的情况下挖一个深井是困难的。