| 单词 | periodical |
| 释义 | periodical n. & adj. --n a newspaper, magazine, etc. issued at regular intervals, usu. monthly or weekly. --adj 1. published at regular intervals. 2. periodic, occasional. Derivatives periodically adv. |
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英语词典包含43808条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。