cumulation是什么意思

n.累积

1、The cumulation of garbage in the city has become a serious problem.
城市垃圾的累积已成为一个严重问题。
2、Through years of hard work and cumulation of knowledge, he became a successful entrepreneur.
经过多年的努力和知识的积累，他成为了一名成功的企业家。

累积，积累