粒子 りゅうし病原 びょうげん たいでしょう
biryūshibyōgentaideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 微粒子病原体

1. Probably a microparticle pathogen.; Possibly a microparticle pathogen.

Polite
Presumptive
Conjecture