放射性核素 fàngshèxìng hésù
          
              fàngshèxìng hésù 
              
              phrase 
              radioactive nuclide; radionuclide 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain:  
              
              
                , Concept:  
              
              
              
                Notes: (CC-CEDICT '放射性核素')