first language
noun /ˌfɜːst ˈlæŋɡwɪdʒ/
  /ˌfɜːrst ˈlæŋɡwɪdʒ/
- the language that you learn to speak first as a child; the language that you speak best母语;第一语言 - His first language is Welsh.他的母语是威尔士语。 
 
- His first language is Welsh.
| 词汇 | first language | 
| 释义 | first languagenoun /ˌfɜːst ˈlæŋɡwɪdʒ/  /ˌfɜːrst ˈlæŋɡwɪdʒ/ 
 | 
| 随便看 | 
迷途网英语在线翻译词典收录了310088条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。