ヨーロッパいがいだったら
ヨーロッパ貽貝だったら
yōroppaigaidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of ヨーロッパいがい

1. If it were a European oyster; Were it a European oyster

Tara Conditional
Usually Written in Kana