a large natural or artificial lake used as a source of water supply 水库 ■a supply or source of something 储藏,贮备 Scotland has always had a fine reservoir of comic talent. 苏格兰一直是喜剧天才的宝库。 ■[usu. with modifier]a place where fluid collects, especially in rock strata or in the body 蓄水池;(岩层中的)贮水层;(体内的)储液囊 ■a receptacle or part of a machine designed to hold fluid 贮液器 ■(Medicine)a population, tissue, etc. which is chronically infested with the causative agent of a disease and can act as a source of further infection (医)(病原体的)储源
语源
mid 17th cent.: from French réservoir, from réserver 'to reserve, keep'