病原 びょうげん せい大腸 だいちょう きんだったら
byōgenseidaichōkindattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 病原性大腸菌

1. If/when it were pathogenic E. coli; If/when it's pathogenic E. coli

Tara Conditional