Level 6 · word 12,802 of 20,000

periodically

/ˌpɪriˈɑːdɪkəli/ American
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  • adv. 定期地, 周期性地
  • adv. 不时地, 偶尔
Definition
  • adv. happening again and again at regular intervals of time
  • adv. happening occasionally, not at regular intervals
Example
You should check the oil in your car periodically.
你应该定期检查一下汽车的机油。
Word mapFrequency
Word familyperiod-