Word: 累积 (lěijī) Traditional: 累積 累积 dictionary entry lěijī to accumulate Full dictionary entry for 累积 Example sentences using 累积 2 sentences, showing page 1 of 1. 他死前累积了庞大的财富。 Tā sǐ qián lěijīle pángdà de cáifù. He amassed a large fortune before he died. 窗台上累积了很多灰尘。 Chuāngtái shàng lěijīle hěn duō huīchén. A lot of dust has built up on the windowsill.