乳酸 にゅうさん発酵 はっこうじゃありませんでした
nyūsanhakkōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 乳酸発酵

1. Was not lactic acid fermentation.; It was not lactic acid fermentation.

Past/Perfective
Negative
Polite
Terminal Form