/əˈkju:mjəleɪt ||; əˈkjumjəˌlet/verb1 [T] to collect a number or quantity of sth over a period of time 积累；收集；积存: Over the years, I've accumulated hundreds of books. 我多年来已经积累了几百本书。
2 [I] to increase over a period of time 逐渐增加
➔accumulation /əˌkju:mjəˈleɪʃn ||; əˌkjumjəˈleʃən/ noun [C,U] ➔accumulative /əˈkju:mjələtɪv ||; əˈkjumjəˌletɪv/ adj