西地那非 xī dì nà fēi
          
              xī dì nà fēi 
              
              set phrase 
              sildenafil (virility drug) 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain:  
              
              
                , Concept:  
              
              
              
                Notes: Loanword (CC-CEDICT '西地那非')