極性 きょくせいゼロ復帰 ふっき記録 きろくじゃありませんでした
kyoku sei zerofukkikirokujārimasendeshita

Noun
Desu Copula

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

1. Was not a polarity zero return record.; Was not a record of returning to zero polarity.

Past/Perfective
Negative
Polite
Terminal Form