尿嘧啶 niàomìdìng
          
              niàomìdìng 
              
              noun 
              uracil nucleotide (U, pairs with adenine A 腺嘌呤 in RNA) 
              Domain: Modern Chinese 现代汉语
              
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                , Concept:  
              
              
              
                Notes: (CC-CEDICT '尿嘧啶')