きょく低温 ていおん科学 かがくではありませんでした
kyokuteionkagakudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 極低温科学

1. Was not ultralow temperature science.; Was not a specialist in ultralow temperature science.

Past/Perfective
Negative
Polite
Formal Register