嗜眠 しみん せい脳炎 のうえんではありませんでした
shiminseino uendewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 嗜眠性脳炎

1. Was not encephalitic sleepiness.; Was not prone to encephalitic sleepiness.

Past/Perfective
Negative
Polite
Formal Register
Medicine