1. 堆积;积累;积聚
When you accumulate things or when they accumulate, they collect or are gathered over a period of time.
e.g. Households accumulate wealth across a broad spectrum of assets...
家庭在以各种各样的资产形式积累财富。
e.g. Lead can accumulate in the body until toxic levels are reached.
铅会在体内积聚直至造成铅中毒。
及物/不及物动词堆积,积累
不及物动词(数量)逐渐增加,(质量)渐渐提高