| 单词 | mother tongue |
| 释义 | mother tongue ˌmother ˈtongue noun [C usually singular] ► B2 the first language that you learn when you are a baby, rather than a language learned at school or as an adultThesaurus+: ↑Using other languages |
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英语词典包含67674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。