鼓膜 こまく張筋 ちょうきんじゃありませんでした
komakuchōkinjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 鼓膜張筋

1. Was not my eardrum.; Was not a tension in my eardrum.

Past/Perfective
Negative
Polite
Terminal Form