セフェム けい抗生 こうせい物質 ぶっしつじゃないです
sefemukeikō sei busshitsujanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of セフェム系抗生物質

1. It's not a cephalosporin antibiotic.

Negative
Polite
Casual Register
Medicine