(1)积累(聚)(collect or gather together in a large quantity)[T+n]：～books/gift tokens 积累书籍/礼品卷;～a library/a large fortune 积聚藏书/一大笔财富;～wealth/data/experience/interest/evidence 积聚财富/数据/经验/利息/证据;～a great deal of money in a short period of time在短短的时期内积累了大量的钱;〖同〗gather，collect，assemble;〖反〗scatter，distribute;

(2)堆(聚)积(become greater in number or quantity)[I]：Dust/Dirt/Snow has～d on the sidewalks.便道上积满了灰尘/脏物/雪。Rubbish～s quickly if we don't clear it regularly.如果我们不经常清除，垃圾很快就会成堆。A pile of work～d on his desk.一大堆要处理的材料在他桌上堆积起来。〖同〗pile up，heap up，collect;〖反〗scatter;

→ ac͵cumu′lation n 积累(聚);(金钱、知识、经验的)积聚;ac′cumulative adj 积累(聚)的;ac′cumulator n 蓄电池;(计算机中的)存储器