酸素 さんそ欠乏 けつぼう しょうではありませんでした
sansoketsubōshōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 酸素欠乏症

1. Was not oxygen deficiency.; Was not hypoxia.

Past/Perfective
Negative
Polite
Formal Register
Medicine