こう分子 ぶんし電解 でんかい しつじゃなかったです
kōbunshidenka ishitsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 高分子電解質

1. Wasn't a polymer electrolyte.; Wasn't a high molecular weight electrolyte.

Past/Perfective
Negative
Polite
Casual Register