音标:[fә:n] ;
n. 粒雪, 积雪

firn的用法和样例:

例句

用作名词(n.)
  1. Snow has lasted for several days in many districts and the firn is considered as the most serious one during the last 50 years.在许多地区,大雪已连续下了很多天,积雪被称为五十年来最严重的一次。

词汇搭配

  • iced firn冻结粒雪
  • firn snow陈雪,粒雪
  • firn limit雪线
  • ice firn冻粒雪
  • firn line永久雪线,粒雪线...
  • firn basin粒雪盆地
  • firn field永久积雪原

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