放射 ほうしゃ せん滅菌 めっきんじゃなかったです
hōshasemmekkinjanakattadesu

Noun
Desu Copula

The polite, past negative form of 放射線滅菌

1. Wasn't radiation sterilized.; Wasn't irradiated.

Past/Perfective
Negative
Polite
Casual Register