单词：permafrost
permafrost的用法和样例：
例句
- Melting permafrost will hit existing and planned infrastructure.冻土融化将冲击我们现有的和计划中的基础设施建设。
- Perhaps this is caused by the sudden melting of subsurface permafrost.可能是地下永久冻土突然融化所造成。
词汇搭配
- permafrost table永冻土面
- permafrost region冻土带
- discontinuous permafrost不连续多年冻土层...
- permafrost layer恒冻层
- passive permafrost死永冻土
- dry permafrost干永冻层
- permafrost horizon永冻层
- relict permafrost残遗永久冻土...
- active permafrost活动永冻土
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