单词 | permafrost |
释义 | permafrost per.ma.frost AHD: [pûr“m…-frôst”, -fr¼st”] D.J. [6pT8m*7fr%8st, -7frKst]K.K. [6pPm*7fr%st, -7fr$st]n.(名词)Permanently frozen subsoil, occurring throughout the Polar Regions and locally in perennially frigid areas.永冻土:永久冰冻的下层土壤,出现在整个北极地区和部分长期寒冷的地区语源:1. perma(nent) perma(nent)2. frost frost |
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