coca 1-20200 english word,Image and sound

Periodical O 13407.Periodical 英 Pɪərɪ'ɒdɪk(ə)L]美 Pɪrɪ'ɑdɪkl 释义 Adj

正面	13407.periodical 英 [pɪərɪ'ɒdɪk(ə)l]美 [,pɪrɪ'ɑdɪkl]
背面	释义： adj. [数] 周期的；定期的n. 期刊；杂志 例句： 1. She made periodical visits to her dentist.她定期去看牙医。 1. 西班牙语：torp- "to be stiff, numb" + -edo. 西班牙语也多以 -o 结尾，因此从西班牙语引入的词也多以 -o 结尾。2. 同源词：torped, torpor. periodical 期刊来自periodic,周期性的。此处形容词作名词，引申词义周刊。 periodical (adj.)c. 1600, from periodic + -al (1). As a noun meaning "magazine published at regular intervals," attested from 1798. Related: Periodically."

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