残留 ざんりゅう農薬 のうやくではありませんでした
zan ryūnōyakudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 残留農薬

1. Was not residual pesticide.; Was not pesticide residue.

Past/Perfective
Negative
Polite
Formal Register