粒子 りゅうし びょう原体 げんたいだったら
biryūshibyōgentaidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 微粒子病原体

1. If/when it were a microparticle pathogen.; If/when it’s a microparticle pathogen.

Tara Conditional