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 (pûrmə-frôst′, -frŏst′) n. Permanently frozen subsoil, occurring throughout the Polar Regions and locally in perennially frigid areas. [PERMA(NENT) + FROST.]
随便看	round dance rounded roundedness roundel roundelay rounder round hand Roundhead roundheel round-heeled roundhouse roundish roundishness roundlet roundly roundness round-off round on round robin round-shouldered roundsman round steak roundtable round-the-clock round the clock

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