恒常 こうじょう せい維持 いじ機構 きこうじゃなかったです
kōjōseiiji kikōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 恒常性維持機構

1. Wasn't a homeostatic mechanism.

Past/Perfective
Negative
Polite
Casual Register