かく分裂 ぶんれつ物質 ぶっしつじゃないです
kakubunretsubusshitsujanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 核分裂物質

1. It's not fissionable material.; It's not nuclear fuel.

Negative
Polite
Casual Register
Physics