jiǎn jī pèi duì
base pairing (e.g. adenine A 腺嘌呤 pairs with thymine T 胸腺嘧啶 in DNA)
base pair
碱
jiǎn
variant of 鹼|碱[jian3]
基
jī
(bound form) base; foundation
配
pèi
to join
对
duì
right; correct
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