炭酸 たんさん同化 どうかではありませんでした
tansan dōkadewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 炭酸同化

1. Was not carbon assimilation.; Was not a carbon assimilation process.

Past/Perfective
Negative
Polite
Formal Register
Biochemistry