可逆 かぎゃく計数 けいすう ではありませんでした
kagyakukeisūkidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 可逆計数器

1. Was not a reversible counter.; Was not a counter that could be reversed.

Past/Perfective
Negative
Polite
Formal Register
Computing