九州描述：：periodical什么意思？period，时期、周期。ic，常见形容词后缀，更多例子比如：genetic, elastic, terrific, etc.periodic，周期性的。al，常见名词后缀之一，更多例子比如：journal, arrival, proposal, etc.periodical，周期性发布的杂志或报纸，期刊。尤其指学术性的期刊。学单词，只记住意思可不行，会用才行，小伙伴们可以在评论区造句，我们一起学习哦！我先来：造句：She has written articles for some research periodicals for many years.Periodical的英文解释：a magazine or newspaper, especially on a serious subject, that is published regularly出处：头条号 @和我一起背考研单词