細胞 さいぼう生物 せいぶつ がくではありませんでした
saibōseibutsugakudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 細胞生物学

1. Was not cellular biology.; Was not cell biology.

Past/Perfective
Negative
Polite
Formal Register