xiàn piào lìng
adenine nucleotide (A, pairs with thymine T 胸腺嘧啶 in DNA and with uracil U 尿嘧啶 in RNA)
腺
xiàn
gland
嘌
piào
(literary) fast
呤
lìng
used in 嘌呤[piao4 ling4]
