| 单词 | periodical | 
| 释义 | Noun: periodical  `pi(u)ree'ódikul
 
 Derived forms: periodicals See also: annual, biannual, biennial, bimestrial, bimonthly, biweekly, biyearly, cyclic, daily, day-after-day, day-by-day, day-to-day, diurnal, fortnightly [Brit], half-hourly, half-yearly, hebdomadal, hebdomadary, hourly, midweekly, monthly, nightly, oscillating, oscillatory, period, periodically, semestral, semestrial, semiannual, semimonthly, semiweekly, triennial, weekly, yearly Type of: publication Encyclopedia: Periodical  | 
	
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