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	permafrost /perr"meuh frawst', -frost'/, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST]
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