accumulate

accumulate的解释
v. 积聚,堆积
accumulate的例句
By investing wisely she accumulated a fortune.
她由于投资精明而积蓄了一笔财产。

However, as the evidence began to accumulate, experts from the zoo felt obliged to investigate.
然而，当证据日趋增多时，该动物园的专家们感到有必要进行调查。