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