英语词汇“permafrost”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	permafrost
释义	per·ma·frost \ˈpərmə+ˌ-\ noun Etymology: permanent + frost : a permanently frozen layer of soil, subsoil, or other deposit sometimes including the bedrock and occurring at variable depth below the earth's surface in arctic or subarctic regions : pergelisol
随便看	zone of rolando zone of silence zone of weakness zone out zone phenomenon zone plate zone-refined zone refining zone servant zone time zonian zoniferous zoning zoning zonite zonites zonitid zonitidae zonitoides zonk zonked zonked zonked-out zono- zono

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