periodicallyWiktionary 原文中文来自 ECDICTadv.定期，循环，间歇，周期，定期刊行，期刊构词拆分periodic词根/词干+-ally后缀Alternative form of -ly (adverbial suffix), used with adjectives ending in -ic.词源说明From periodic + -ally.释义（英文）副词 AdverbIn a manner that is regular or periodic.Intermittently or recurrently.词族派生词（3）nanoperiodicallynonperiodicallyphotoperiodically