放射 ほうしゃ せん滅菌 めっきんじゃありませんでした
hōshasemmekkinjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 放射線滅菌

1. Was not irradiated.; Was not sterilized by radiation.

Past/Perfective
Negative
Polite
Terminal Form