導電 どうでん せい こう分子 ぶんしじゃなかったです
dō denseikōbunshijanakattadesu

Noun
Desu Copula

The polite, past negative form of 導電性高分子

1. Wasn't conductive polymer.; Wasn't a highly conductive polymer.

Past/Perfective
Negative
Polite
Casual Register