竜骨 りゅうこつ突起 とっきじゃなかったです
ryūkotsutokkijanakattadesu

Noun
Desu Copula

The polite, past negative form of 竜骨突起

1. Wasn't a keel spur.; Wasn't a dorsal spine.

Past/Perfective
Negative
Polite
Casual Register