乳酸 にゅうさん球菌 きゅうきんじゃなかったです
nyūsankyūkinjanakattadesu

Noun
Desu Copula

The polite, past negative form of 乳酸球菌

1. Wasn't lactic acid bacteria.; Wasn't Lactobacillus.

Past/Perfective
Negative
Polite
Casual Register