理論 りろん生物 せいぶつ がくじゃなかったです
rironseibutsugakujanakattadesu

Noun
Desu Copula

The polite, past negative form of 理論生物学

1. Wasn't theoretical biology.; Wasn't a theory of biology.

Past/Perfective
Negative
Polite
Casual Register
Biology