はん陽子 ようこ爆弾 ばくだんじゃありませんでした
han'yō kobakudanjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 反陽子爆弾

1. Was not an antiproton bomb.; It wasn't an antiproton bomb.

Past/Perfective
Negative
Polite
Terminal Form