像面 ぞうめん湾曲 わんきょくではありませんでした
zōmenwankyokudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 像面湾曲

1. Was not like a facial curvature.; Was not curved like a face.

Past/Perfective
Negative
Polite
Formal Register