急性 きゅうせい放射 ほうしゃ せん しょうではありませんでした
kyūseihōsha senshōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 急性放射線症

1. Was not acute radiation sickness.; Was not an acute radiation syndrome.

Past/Perfective
Negative
Polite
Formal Register
Medicine