noun 다운로드 🔗공유 정유 공장 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. " 도시의 대기 질은 근처에 위치한 많은 정유 공장 때문에 종종 좋지 않습니다. industry building machine technology environment energy material chemistry economy technical work AI와 채팅어휘 게임독해 연습