平方公里 (平方公裡) píngfāng gōnglǐ
          
              píngfāng gōnglǐ 
              
              measure word 
              square kilometer 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain: Quantity 
              
              
                , Concept:  
              
              
              
                Notes: (Wikipedia '平方千米')