英语词汇“firn”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

firn

/ˈfɪən

noun [mass noun]

Crystalline or granular snow, especially on the upper part of a glacier, where it has not yet been compressed into ice.About a quarter of that shrinkage, or 7 cm, may have resulted from snow packing down into denser material called firn, says Andrew Shepherd, a glaciologist at the University of Cambridge in England....

Combine such dense firn with a daily rhythm of freeze and thaw, and spring avalanche danger is easy to predict and avoid.

Origin

Mid 19th century: from German, from Old High German firni 'old'; related to Swedish forn 'former'.

单词	firn
释义	firn /ˈfɪən / noun [mass noun] Crystalline or granular snow, especially on the upper part of a glacier, where it has not yet been compressed into ice.About a quarter of that shrinkage, or 7 cm, may have resulted from snow packing down into denser material called firn, says Andrew Shepherd, a glaciologist at the University of Cambridge in England.... Combine such dense firn with a daily rhythm of freeze and thaw, and spring avalanche danger is easy to predict and avoid. Origin Mid 19th century: from German, from Old High German firni 'old'; related to Swedish forn 'former'.
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