noun 下载 🔗分享 炼油厂,精炼厂。 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. " 因为附近有很多炼油厂,这座城市的空气质量常常很差。 industry building machine technology environment energy material chemistry economy technical work 与AI对话词汇游戏阅读练习