N, n  
 noun uk/en/ us/en/  Ns, N's or n's
  (LETTER)     
  [ C or U ](英语字母表的第14个字母) 
the 14th letter of the English alphabet
   (NORTH)     
 [ U ]北方(north的缩写) 
written abbreviation for north 
 N, n      
adjective uk/en/ us/en/
 北方的(north的缩写)
written abbreviation for  north  or  northern