腐植 ふしょく栄養 えうよう じゃありませんでした
fushokueuyōkojārimasendeshita

Noun
Desu Copula

The polite, past negative form of 腐植栄養湖

1. Was not a eutrophic lake.; Was not a nutrient-rich lake.

Past/Perfective
Negative
Polite
Terminal Form