乳酸 にゅうさん桿菌 かんきんじゃなかったです
nyūsankankinjanakattadesu

Noun
Desu Copula

The polite, past negative form of 乳酸桿菌

1. Wasn't lactic acid bacteria.; Wasn't a lactobacillus.

Past/Perfective
Negative
Polite
Casual Register