英语词汇permafrost怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	permafrost
释义	permafrost 1 ENTRIES FOUND: permafrost (noun) permafrost /ˈpɚməˌfrɑːst/ noun permafrost /ˈpɚməˌfrɑːst/ noun Learner's definition of PERMAFROST [noncount] technical : a layer of soil that is always frozen in very cold regions of the world永冻土
随便看	quietened quietening quietens quieter quietest quieting quietly quietness quiets quietude quiff quiffs quill quills quilt quilted quilter quilters quilting quilts quin quince quinces quinine quins

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