優先 ゆうせん取組 とりくみ物質 ぶっしつじゃありません
yūsentorikumibusshitsujārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 優先取組物質

1. It is not a priority substance.; It is not a prioritized material.

Negative
Polite
Terminal Form