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

• In many other countries, where English is not a first language, it is an official language;
  英语在许多国家不是第一语言，但却作为官方语言存在；
• French is spoken as the first language in this country.
  在这个国家法语被当作第一语言来说。
• Even in our first language, we all know or understand more words that we actively use.
  在我们的母语中，我们都知晓或者明白比常用词更多的词汇。
• If your first language is not English, you should still try to read the non-literary works in English.
  如果你的母语不是英语，你仍应该努力以英语去读这些非文学作品。
• 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。
• English is used as their first language.
  英语被用作他们的第一语言。
• English is my first language but I also studied French in high school.
  英语是我的第一语言，但我在高中还学了法语。
• 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。
• 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。
• 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。