first language

英 [ˌfɜːst ˈlæŋɡwɪdʒ]

美 [ˌfɜːrst ˈlæŋɡwɪdʒ]

n.  母语; 第一语言

牛津词典

noun

• 母语；第一语言
  the language that you learn to speak first as a child; the language that you speak best
  1. His first language is Welsh.
     他的母语是威尔士语。

柯林斯词典

• 母语;第一语言
  Someone'sfirst languageis the language that they learned first and speak best; used especially when someone speaks more than one language.

英英释义

noun

• one's native language
  Synonym:mother tonguematernal language

双语例句

• Today, I think I use English more than my first language.
  如今，我用英语比用我的母语要多。
• Although my verbal score did improve on the second test, I feel that my performance on this section still reflects the fact that English is not my first language.
  虽然我的语文部分成绩的确在第二次考试的时候提高了，我认为，我的表现在这个部分的成绩仍然体现了英语不是我的第一种语言的事实。
• My first language is dutch.
  我的母语是荷兰语。
• English is spoken as the first language in many countries.
  英语在许多国家被当作第一语言使用。
• If English is not your first language, you will need at least two good dictionaries.
  如果英语不是你的母语的话，你至少需要两本好字典。
• Imagine you can talk to native speakers just like you talk in your first language.
  想像你可以与以英语为本土语言的人谈话就如同与别人说自己的母语一样。
• Most people speak English as a first language in the USA.
  在美国，大多数人把英语作为第一语言（主动语态）。
• It launched its first language course last year for 40 people.
  孔子学院去年开设了首个语言课程，共收学员40人。
• Certainly there is no big difference between using my first language and using English.
  当然，用英语还是用母语对我而言没有太大区别。
• The first language he learned to write was Greek, which has a different alphabet.
  他最早学习的语言是希腊语，而希腊语有着一套不同的字母体系。