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/n. subsoil which remains below freezing point throughout the year, as in polar regions 永久冻土层 [PERMANENT + FROST]
随便看	spider plant spiderwort spidery spiegeleisen spiel spieler spiff spiffily spiffing spiffy spiflicate spignel spigot spike spike spike a person's guns spike heel spikelet spikenard spikily spikiness spiky spile spill spill

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