極性 きょくせいゼロ復帰 ふっき記録 きろくじゃなかったです
kyoku sei zerofukkikirokujanakattadesu

Noun
Desu Copula

The polite, past negative form of 極性ゼロ復帰記録

1. Wasn't a polarity zero return record.

Past/Perfective
Negative
Polite
Casual Register