拮抗 きっこう作用 さようではありませんでした
kikkōsayōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 拮抗作用

1. Was not opposition.; Was not resistance.; Was not antagonism.

Past/Perfective
Negative
Polite
Formal Register
Biochemistry
Physiology
Pharmacology