避孕环 (避孕環) bìyùnhuán
          
              bìyùnhuán 
              
              noun 
              coil; contraceptive coil; intrauterine device 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain:  
              
              
                , Concept:  
              
              
              
                Notes: (CC-CEDICT '避孕環')