1. Accumulation of years of history, deep culture. 千年历史积淀，文化底蕴深厚。
2. Precipitation, refining, accumulation of sublimation. 沉淀，提炼，积累，升华。
3. But this balance has been achieved by an accumulation of many fears which cannot be balanced, so we will probably always live in fear. 但由于这种平衡，是因许许多多次不能平衡的恐怖事件造成的，所以我们或许还将经常地经历恐惧。
英英解释
n.
1. an increase by natural growth or addition
2. several things grouped together or considered as a whole
3. the act of accumulating
4. (finance) profits that are not paid out as dividends but are added to the capital base of the corpor
