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

• 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。
• On the Application of Translated First Language Materials in English Teaching
  刍议英译的母语材料在英语教学中的应用
• French, the official language, is the first language of88% of the population.
  法语，官方语言，这是第一语言的88%的人口。
• His first language is English, but he speak several other languages very well.
  他的母语是英语，但他会说好几门外语。
• People know that English is not your first language, and most are happy to help.
  他们明白英语不是你的母语，而且他们会很乐于提供帮助。
• English is the first language in none of these countries.
  英语在这些国家中都不是第一语言。
• 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。
• English is used as the first language in america, canada, england, Australia and new zealand.
  英语在美国，加拿大，英国，澳大利亚和新西兰被当作第一语言使用。
• 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。