好熱 こうねつ せい細菌 さいきんではありませんでした
kōnetsuseisa ikindewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 好熱性細菌

1. Was not a heat-loving bacterium.; Was not a thermophile.

Past/Perfective
Negative
Polite
Formal Register