| 释义 | 
		periodical美 [.pɪri'ɑdɪk(ə)l]  英 [.pɪəri'ɒdɪk(ə)l]  - adj.定期的;时常发生的;定期发行的
 - n.(学术)期刊
 - 网络杂志;周期的;刊物
 
 n. journal,bulletin,magazine,review,publication 1.  | (学术)期刊a magazine that is published every week, month, etc., especially one that is concerned with an academic subject  |  
 adj.  | 1. published at regular intervals 2. recurring or reappearing from time to time  |  n.  | 1. a magazine or journal published at regular intervals, especially weekly, monthly, or quarterly 2. a magazine on a particular subject that is published regularly  |  
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