好熱 こうねつ せい細菌 さいきんでしょう
kōnetsuseisa iki ndeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 好熱性細菌

1. Probably a heat-loving bacterium.; Likely a thermophile.

Polite
Presumptive
Conjecture