recur [rɪˈkɜ:(r)]

以下由轻松背单词网站提供

vi.复发，重现，再发生

to happen many times or to happen again

Economic crises recur periodically. 经济危机周期性地发生。
Of course, many problems recur at various periods. 当然，有许多问题会在不同的时期反复发生。