鼓膜 こまく張筋 ちょうきんではありませんでした
komakuchōkindewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 鼓膜張筋

1. Was not a tympanic membrane muscle.; Was not a tensor tympani.

Past/Perfective
Negative
Polite
Formal Register