抗原 こうげん抗体 こうたい反応 はんのうなら
kōgenkōtaihannōnara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 抗原抗体反応

1. If/when antigen-antibody reaction; If there is an antigen-antibody reaction

Nara Conditional