substation

剑桥词典

substation noun (ELECTRICITY)

 electricity substation

a place that allows electricity to go from one part of the electricity production system to another
变电站，变电所，配电室

substation noun (PART OF ORGANIZATION)

[ 可数名词：有复数形式的名词 ] US
a division of an organization that works under the general control of a larger office
（某一组织机构的）分部，分站
a police substation 派出所 返回 substation