いち酸化 さんか炭素 たんそ中毒 ちゅうどくでしょう
ichisanka tansochūdokudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 一酸化炭素中毒

1. Carbon monoxide poisoning, likely.; Probably carbon monoxide poisoning.

Polite
Presumptive
Conjecture
Medicine