萎縮 いしゅく効果 こうかではありませんでした
ishuku kōkadewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 萎縮効果

1. It was not a shrinking effect.; It did not have a shrinking effect.

Past/Perfective
Negative
Polite
Formal Register