noun🔗Share变电站， 供电站。 A site where electricity supplied by long-distance (high-voltage) transmission lines is transformed and/or regulated for local (low-voltage) distribution."The neighborhood's substation converts high-voltage electricity from the power plant into lower voltage so it can safely power our homes and businesses. "社区的变电站把发电厂输送来的高压电转换成低压电，这样才能安全地为我们的家庭和商户供电。utilitytechnologyenergybuildingelectricindustrymachineChat with AIVocabulary GamePractice Reading
noun🔗Share派出所，警务站 A satellite police station serving one neighborhood or part of a larger jurisdiction."The neighborhood felt safer after the police opened a substation on Elm Street. "警察在榆树街开设了一个警务站后，附近街坊都觉得安全多了。policegovernmentareabuildingserviceChat with AIVocabulary GamePractice Reading
