V-ERG
				堆积;积累;积聚
				When you accumulate things or when they accumulate, they collect or are gathered over a period of time.
例句
						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。
						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。