爬虫 はちゅう両棲 りょうせい るい がくではありませんでした
wa chū ryōseiruigakudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 爬虫両棲類学

1. Was not herpetology.; Was not a herpetologist.

Past/Perfective
Negative
Polite
Formal Register