こう化学 かがくスモッグ注意 ちゅうい ほうなら
kōkagakusumogguchūihōnara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 光化学スモッグ注意報

1. If/when photochemical smog is warned.; If photochemical smog is warned.

Nara Conditional