periodical
US /ˌpɪr.iˈɑː.dɪ.kəl/
UK /ˌpɪr.iˈɑː.dɪ.kəl/
1.
期刊, 雜誌
a magazine or newspaper published at regular intervals.
:
•
She subscribes to several academic periodicals.
她訂閱了幾種學術期刊。
•
The library has a vast collection of historical periodicals.
圖書館收藏了大量的歷史期刊。
1.
週期的, 定期的
appearing or occurring at intervals.
:
•
The patient experiences periodical headaches.
病人會週期性地頭痛。
•
The comet makes a periodical appearance every 76 years.
這顆彗星每76年週期性地出現一次。