基本解释n.期刊名词periodical的复数形式.同根派生 periodicals相关词英汉例句用作名词 (n.)The public feeds on these periodicals.公众由于有这些期刊可以阅读而得到满足。Guides help to identify periodicals and newspapers.指南有助于查找期刊和报纸。periodicals更多例句