noun 다운로드 🔗공유 천연 가스 A mixture of gaseous hydrocarbons associated with petroleum deposits; mostly methane with smaller amounts of ethane, propane and butane; principally used as a fuel. Examples : "Many homes use natural gases to heat water and cook food. " 많은 가정에서 물을 데우고 음식을 요리하기 위해 천연 가스를 사용합니다. energy fuel material geology chemistry substance environment science AI와 채팅어휘 게임독해 연습