こう酸素 さんそ けつ しょうじゃなかったです
kō sansoketsu shōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 高酸素血症

1. Was not hyperoxemia.; Was not high oxygen levels in the blood.

Past/Perfective
Negative
Polite
Casual Register
Medicine