塩素 えんそ消毒 しょうどくじゃありませんでした
ensoshōdokujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 塩素消毒

1. Was not chlorine disinfected.; Was not disinfected with chlorine.

Past/Perfective
Negative
Polite
Terminal Form