碱基互补配对

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

jiǎn

variant of 鹼|碱[jian3]

(bound form) base; foundation

mutual

to repair

pèi

to join

duì

right; correct