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/ˈpɜ:məfrɒst \|\|; ˈpɝməˌfrɔst/noun [u] (technical术语) a layer of soil that is permanently frozen, in very cold regions of the world 永久冻土
随便看	pored porelike pore-over pore over pore over sth porer porers pore's pores pore² pore¹ poring pork porkier porkies porkies' porkiest porkiness porkinesses' porkinesses porkiness's porkish, porklike porkless porks porky

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