http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
英语
西班牙语
permafrost [美 ˈpərməˌfrɔst, 英 ˈpəːməfrɒst] 名词 U
- permafrost
- permafrost m
西班牙语
英语
- permafrost
- permafrost
在《PONS词典》中的词汇
permafrost [ˈpɜ:məfrɒst, 美 ˈpɜ:rməfrɑ:st] 名词 无复数
- permafrost
- permafrost m
在《PONS词典》中的词汇
permafrost [ˈpɜr·mə·frɔst] 名词
- permafrost
- permafrost m
无例句可用
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单语范例（未经PONS编辑处理）
Cause of this was the strong freezing and thawing of the bottom due to deeply thawed permafrost.
en.wikipedia.org Permafrost affected soils cover nearly 9% of the earths land area, yet store between 25 and 50% of the soil organic carbon.
en.wikipedia.org Only a small fraction of the road is paved because permafrost and the freeze-thaw cycle would create a high cost for maintaining a paved road.
en.wikipedia.org The absence of permafrost near the village gives the inhabitants the opportunity to grow open field vegetable crops.
en.wikipedia.org Permafrost underlays the area, more or less continuous in distribution.
en.wikipedia.org