不純 ふじゅん ぶつ準位 じゅんいじゃありませんでした
fujumbutsujun'ijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 不純物準位

1. It was not a standard.; It was not pure.; It was not a level of impurity.

Past/Perfective
Negative
Polite
Terminal Form