noun ダウンロード 🔗共有 精製所 A building, or a mass of machinery, used to produce refined products such as sugar, oil, or metals. Examples : "The city's air quality is often poor because of the many oil refineries located nearby. " 近くに多くの石油精製所があるため、その都市の空気の質はしばしば悪いです。 industry building machine technology environment energy material chemistry economy technical work AIとチャット語彙ゲーム読解練習