脊椎 せきつい動物 どうぶつじゃありませんでした
muse kitsui dōbutsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 無脊椎動物

1. Was not an invertebrate.; Was not a spineless animal.

Past/Perfective
Negative
Polite
Terminal Form
Zoology