腺嘌呤 [ㄒㄧㄢˋ ㄆㄧㄠˋ ㄌㄧㄥˋ; xian4 piao4 ling4] adenine nucleotide (A, pairs with thymine T 胸腺嘧啶 in DNA and with uracil U 尿嘧啶 in RNA) ◄ ►