permafrost
noun [ U ] environment specialized uk/ˈpɜː.mə.frɒst/ us/ˈpɝː.mə.frɑːst/
永冻层,永冻土层
an area of land that is permanently frozen below the surface
单词 | permafrost |
释义 | permafrost noun [ U ] environment specialized uk/ˈpɜː.mə.frɒst/ us/ˈpɝː.mə.frɑːst/ 永冻层,永冻土层 an area of land that is permanently frozen below the surface |
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