区切 くぎ 機能 きのうじゃありませんでした
kugirishi kinōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 区切り子機能

1. It was not a section break function.; It wasn't a section break feature.

Past/Perfective
Negative
Polite
Terminal Form
Computing