拮抗 きっこう作用 さようじゃなかったです
kikkōsayōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 拮抗作用

1. Wasn't opposition.; Wasn't resistance.; Wasn't conflict.

Past/Perfective
Negative
Polite
Casual Register
Biochemistry
Physiology
Pharmacology