定期锻炼对身体很有好处。

Dìngqī duànliàn duì shēntǐ hěn yǒu hǎochù.

Regular exercise is very beneficial for the body.

这个项目定期更新进展报告。

Zhège xiàngmù dìngqī gēngxīn jìnzhǎn bàogào.

This project regularly updates progress reports.

银行会定期寄送账单。

Yínháng huì dìngqī jìsòng zhàngdān.

The bank will regularly send bills.