英语词汇permafrost的意思、用法及释义-英汉双解词典

单词	permafrost
释义	permafrost n[U] subsoil that is permanently frozen, eg in polar regions 永冻土, 永冻层（如在极地的）.
随便看	brass knuckles brass plate brass-rubbing brassy brat bravado brave bravely bravery bravo bravura brawl brawler brawn brawny bray brazen brazenly brazier breach breach of promise breach of the peace bread bread and butter bread-bin

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