爬虫はちゅう両棲りょうせいるいがくじゃなかったです
wa chū ryōseiruigakujanakattadesu

Noun
Desu Copula

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

1. Wasn't herpetology.

Past/Perfective
Negative
Polite
Casual Register