单词firn
n.: 【地】冰原
网络: 粒雪；积雪；永久积雪
【地质学;地理学】冰原,永久积雪〔俗名万年雪〕
粒雪
冰川上积雪区与溶化区的分界线
冰川雪
Atmospheric histories of halocarbons from analysis of Antarctic firn air: Methyl bromide, methyl chloride, chloroform, and dichloromethane.
从南极永久性积雪空气分析大气卤烃的历史：甲基溴化物，甲基氯化物，氯仿和二氯甲。
One big early, environmental sanitation workers are taking the firn of main main road inside city of big broom broom.
一大早，环卫工人们便拿着大扫帚扫除市内主要交通干线的积雪。
Snow and firn properties and air-snow transport processes at Summit, Greenland
在格陵兰萨米特，雪和冰原特征与空气-雪输送过程
To conch channel cannot miss 3 old scene: Want far the Gonggaxue that hopes firn of all the year round is not changed hill;
到海螺沟不能错过三大景致：一要远望终年积雪不化的贡嘎雪山；
A 350-year atmospheric history for carbonyl sulfide inferred from Antarctic firn air and air trapped in ice
从南极冰原空气和冰滞留空气中推论的350年的大气羰基硫化历史
Arctic and Antarctic Firn Core Studies AALM
南极与北极冰芯研究