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单词 firn
释义

firn /'fɪən//fɪrn/

英汉-汉英词典
n. 粒雪,积雪,冰原,万年雪
词组 | 习惯用语
您要查找的是不是:
  • fire n. 火;火灾;炉火;热情;炮火;激情;磨难 vt. 解雇;点燃;烧制;使发光;开除;放枪;激动
  • firm adj. 坚定的;结实的;牢固的;严格的 vt. 使牢固;使坚定
  • fin n. 鳍;鱼翅;鳍状物 vt. 切除鳍;装上翅
  • fern n. 蕨类植物;蕨
  • fir n. 冷杉;枞木 abbr. 弗京(firkin)
firn n. 积雪;[水文] 粒雪; n. (Firn)人名;(法、德)菲恩;
firn field [水文] 永久积雪原
firn line 永久雪线;陈年雪线;粒雪线
firn basin 粒雪盆地
line of firn 永久积雪线

网络短语:
firn area 粒雪区
firn edge 粒雪界
firn ice 冻雪冰;陈年冰;粒雪冰
firn core 雪芯
ice firn 冻粒雪
firn snow 陈年雪;粒雪;万年雪;陈雪
firn crevasse 粒雪裂隙
firn moraine 粒雪冰碛
英语例句库
  1. Snowslide,The Flow of snow in wind,firn,it is snow Disaster in alp.
    雪崩、风吹雪及厚层积雪,是高山和严寒地区特有的一种自然灾害。

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原声例句
BBC 听力 2018年10月合集

If an ice shelf had very unhealthy firn layers, or the melting firn layers, you may not be able to see these things.

如果冰架雪层十分不坚固,融化现象严重的话,就不会有唱歌的现象发生。

中文百科

粒雪

粒雪(英语:Firn),在气候较为寒冷的地区(如:高海拔或高纬度的地区),终年积雪,雪层逐渐变厚,底层的压力也就增大,使得积雪再度结晶为冰。当密度增加至0.72至0.84时,便称之为粒雪。又称万年雪。部分压紧的颗粒状雪,是雪和冰川冰的中间阶段,可在冰川源头的雪下见到。其形成是在上覆积雪的压力下,经过压实,再结晶,局部融化和单个雪片破碎的过程。这个过程约需要1年时间。

英语百科

Firn 粒雪

Sampling the surface of a glacier.  There is increasingly denser firn between surface snow and blue glacier ice.
Firn field on the top of Säuleck, Hohe Tauern

Firn (/fɪrn/; from Swiss German firn "last year's", cognate with before) is partially compacted névé, a type of snow that has been left over from past seasons and has been recrystallized into a substance denser than névé. It is ice that is at an intermediate stage between snow and glacial ice. Firn has the appearance of wet sugar, but has a hardness that makes it extremely resistant to shovelling. Its density generally ranges from 550 kg/m³-830 kg/m³, and it can often be found underneath the snow that accumulates at the head of a glacier.

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更新时间:2025/6/18 22:01:20