巨大 きょだい分子 ぶんしじゃありませんでした
kyodai bunshijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 巨大分子

1. Was not a macromolecule.; Was not gigantic.; Was not large-scale.

Past/Perfective
Negative
Polite
Terminal Form