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 n. subsoil which remains below freezing-point throughout the year, as in polar regions. Etymology: PERMANENT + FROST
随便看	note notebook notecase notelet notepaper noteworthy nothing nothingness notice noticeable notifiable notify notion notional notochord notorious notornis Notts. notwithstanding nougat nought noun nourish nourishing nourishment

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