てい線量 せんりょう被曝 ひばくじゃなかったです
teisenryōhibakujanakattadesu

Noun
Desu Copula

The polite, past negative form of 低線量被曝

1. Wasn't exposed to low-dose radiation.; Wasn't subjected to low-dose exposure.

Past/Perfective
Negative
Polite
Casual Register