n.粒雪，积雪，冰原，万年雪...

The firn is going to pot under the new management.公司在新人的管理下就要垮台了.Railroad is carried also affect exercise difficulty because of firn, train running behind scheduled time increases.铁路运输也因积雪影响作业困难, 列车晚点增加....

firn的音标：firn的英式发音音标为：[fɪən]firn的美式发音音标为：[fɪrn]...