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新东方-柯林斯雅思备考词典
periodically
英 [ˌpɪəriˈɒdɪkli]
[ADV]
1. 定期地
If events or situations happen periodically, they happen occasionally, at fairly regular intervals.
近义词
双语例句
例：Meetings are held periodically to monitor progress on the case.
定期召开会议监控案件的进展情况。