細胞 さいぼう生物 せいぶつ がくじゃなかったです
saibōseibutsugakujanakattadesu

Noun
Desu Copula

The polite, past negative form of 細胞生物学

1. Wasn't cellular biology.; Wasn't cytology.

Past/Perfective
Negative
Polite
Casual Register