殺菌 さっきん消毒 しょうどくではありませんでした
sakkinshōdokudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 殺菌消毒

1. Was not sterilization/disinfection.; Was not disinfecting.

Past/Perfective
Negative
Polite
Formal Register