膜性 まくせい迷路 めいろじゃなかったです
maku seimeirojanakattadesu

Noun
Desu Copula

The polite, past negative form of 膜性迷路

1. Wasn't membranous/film-like and lost.; Wasn't a membranous/film-like maze.

Past/Perfective
Negative
Polite
Casual Register