竜骨 りゅうこつ突起 とっきじゃありませんでした
ryūkotsutokkijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 竜骨突起

1. Was not a keel spur.; Was not a dorsal fin.

Past/Perfective
Negative
Polite
Terminal Form