| 单词 | Proto-Indo-European |
| 释义 | Proto-Indo-EuropeanˌProto-ˌIndo-Euroˈpean noun [uncountable] eng. lang. arts an ancient language, on which all Indo-European languages (=the main group of languages spoken in Europe and northern India) are believed to be based |
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英语词典包含48224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。