v.积累, 增加, 聚集
Dust and dirt soon accumulate if a house is not clean regularly.
However, as the evidence began to accumulate, experts from the zoo felt obliged to investigate.
Dust and dirt soon accumulate if a house is not cleaned regularly.
By investing wisely she accumulated a fortune.
累积, 积聚; 积攒
They set to work accumulating a huge mass of data.
积成堆; 累积, 聚积
Dust had accumulated during her absence.