通性 つうせい嫌気 けんき せい細菌 さいきんだったら
tsū seikenkiseisaikindattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 通性嫌気性細菌

1. If it were anaerobic bacteria; If it’s an anaerobic bacterium

Tara Conditional