広島 ひろしま がた原爆 げんばくじゃなかったです
hiroshimagata gembakujanakattadesu

Noun
Desu Copula

The polite, past negative form of 広島型原爆

1. Wasn't a Hiroshima-type atomic bomb.; Wasn't of the Hiroshima type.

Past/Perfective
Negative
Polite
Casual Register