溶融 ようゆう えん原子 げんし でしょう
yōyūengen shirodeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 溶融塩原子炉

1. Likely a molten salt reactor.; Probably a molten salt reactor.

Polite
Presumptive
Conjecture