periodically

US /ˌpɪr.iˈɑː.dɪ.kəl.i/
UK /ˌpɪr.iˈɑː.dɪ.kəl.i/
"periodically" picture
1.

定期地, 周期性地

at regular intervals of time

:
The machine needs to be serviced periodically.
机器需要定期维护。
She checks her email periodically throughout the day.
她全天定期查看电子邮件。