乳酸 にゅうさん球菌 きゅうきんじゃないです
nyūsankyūkinjanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 乳酸球菌

1. It's not lactic acid bacteria.; I'm not lactic acid bacteria.

Negative
Polite
Casual Register