periodic
US /ˌpɪr.iˈɑː.dɪk/
UK /ˌpɪr.iˈɑː.dɪk/
1.
週期性的, 定期的
appearing or occurring at intervals
:
•
The doctor recommended periodic check-ups.
醫生建議進行定期檢查。
•
We experience periodic power outages during storms.
我們在暴風雨期間會遇到週期性停電。
2.
週期性的
relating to or denoting a periodic table or the elements in it
:
•
The chemist studied the properties of elements using the periodic table.
化學家利用週期表研究元素的性質。
•
Understanding the periodic trends helps predict chemical behavior.
理解週期性趨勢有助於預測化學行為。