基本解释n.期刊名詞periodical的複數形式.同根派生 periodicals相关词英汉例句用作名詞 (n.)The public feeds on these periodicals.公衆由於有這些期刊可以閲讀而得到滿足。Guides help to identify periodicals and newspapers.指南有助於查找期刊和報紙。periodicals更多例句