firs ['fɜ:z]

例句:

• Firs, spruces and pines are conifers.
  冷杉 、 云杉和松树都是针叶树.
  
• That is not a paper and in addition it is simply a restatement of your firs link with a anti-agw spin on it.
  来自SA
• Under the shade of those balmy firs.
  来自M. R. Mitford
• A heavy fall of snow. It tufted and toed the firs and yews.
  来自fig.
• Firs grow mainly in cold countries.
  冷衫主要生长在寒冷国家.
  
• Pines, firs, and hollies are evergreen trees.
  松树, 杉树以及冬青是常绿树.