南极圈 (南極圈) nán jíquān
          
              nán jíquān 
              
              proper noun 
              Antarctic circle 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain:  
              
              
                , Concept:  
              
              
              
                Notes: (Guoyu '南極圈'; Wikipedia '南極圈')