聚四氟乙烯 jù sì fú yǐxī
          
              jù sì fú yǐxī 
              
              phrase 
              polytetrafluoroethylene (PTFE) 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain:  
              
              
                , Concept:  
              
              
              
                Notes: Trademarked as Teflon (CC-CEDICT '聚四氟乙烯')