精神 せいしん生物 せいぶつ がくじゃなかったです
seishinseibutsugakujanakattadesu

Noun
Desu Copula

The polite, past negative form of 精神生物学

1. Wasn't psychobiological.; Wasn't about psychobiology.

Past/Perfective
Negative
Polite
Casual Register