中性 ちゅうせい浮力 ふりょくじゃありませんでした
chūseifuryo kuja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 中性浮力

1. Was not neutrally buoyant.; Was not in neutral buoyancy.

Past/Perfective
Negative
Polite
Terminal Form