| 单词 | COI |
| 释义 | COICOI /ˌsiː əʊ ˈaɪ/ (the Central Office of Information) a British government organization that produces books, reports etc giving information about the activities of the various government departments |
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英汉双解词典包含283110条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。