かく分裂 ぶんれつ せい物質 ぶっしつではありません
kakubunretsu sei busshitsudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 核分裂性物質

1. Not a nuclear material.; It is not a fissile material.

Negative
Polite
Formal Register