中性 ちゅうせい浮力 ふりょくではありませんでした
chūseifuryo kudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 中性浮力

1. Was not neutral buoyancy.; Was not of neutral buoyancy.

Past/Perfective
Negative
Polite
Formal Register