noun 다운로드 🔗공유 석유 A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under the Earth's surface Examples : "The factory used petroleum to fuel its machinery. " 그 공장은 기계에 연료를 공급하기 위해 석유를 사용했다. material substance energy fuel geology chemistry AI와 채팅어휘 게임독해 연습
