チェルノブイリ原発 げんぱつ事故 じこでしょう
cherunobuirigempatsujikodeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of チェルノブイリ原発事故

1. Probably the Chernobyl disaster.

Polite
Presumptive
Conjecture