こう分子 ぶんし吸収 きゅうしゅう たいじゃありませんでした
kōbunshikyūshū taija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 高分子吸収体

1. Was not a superabsorbent polymer.; Was not a high-molecular absorbent.

Past/Perfective
Negative
Polite
Terminal Form