verb, directional · to gradually gather, collect, or build up something over a period of time

他在多年的工作中积累了丰富的经验。

verb · the act or process of gathering something, or the resulting collection of items

资本积累对企业的发展至关重要。

verb · increasing or growing by successive additions, or describing a state of having been accumulated

这种长期的积累效应不可忽视。