機能 きのう せい こう分子 ぶんしじゃなかったです
kinō sei kōbunshijanakattadesu

Noun
Desu Copula

The polite, past negative form of 機能性高分子

1. Wasn't functional polymer.; Wasn't high-functionality polymer.

Past/Perfective
Negative
Polite
Casual Register
Chemistry