例句
The old boiler needs periodic checks to keep working safely.
這台舊鍋爐需要定期檢查，才能繼續安全運行。
Periodic assessments allow teachers to identify learning difficulties before students fall significantly behind their classmates.
定期評估能讓教師在學生明顯落後於同學之前發現其學習困難。
常用搭配
- periodic checks｜定期檢查
- periodic review｜定期審查
- periodic table｜元素週期表
詞形與相關詞
period (n.) · periodically (adv.) · periodicity (n.)
用法提示
periodic是形容詞，不是名詞；副詞為periodically。