細胞 さいぼう崩壊 ほうかいじゃありませんでした
saibōhōkaijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 細胞崩壊

1. It was not cellular collapse.; It wasn't cell breakdown.

Past/Perfective
Negative
Polite
Terminal Form