免疫 めんえき物質 ぶっしつじゃありませんでした
men'ekibusshitsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 免疫物質

1. Was not an immunostant.; Was not an immune substance.

Past/Perfective
Negative
Polite
Terminal Form
Medicine