dìng
qī
1
at set dates
2
at regular intervals
3
periodic
4
limited to a fixed period of time
5
fixed term
定期锻炼对身体很有好处。
Regular exercise is very beneficial for the body.
这个项目定期更新进展报告。
This project regularly updates progress reports.
银行会定期寄送账单。
The bank will regularly send bills.
我们定期检查设备的运行状况。
We regularly check the operation status of the equipment.
我们定期清理办公室。
We regularly clean the office.
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