尿嘧啶 niào mì dìng 🔊 uracil nucleotide (U, pairs with adenine… + Keep this word Meanings niào mì dìng uracil nucleotide (U, pairs with adenine A 腺嘌呤 in RNA) Its characters 尿niàoto urinateHSK 7–9嘧mìas in pyrimidine啶dìngidine (chemistry)