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；
• Language: Creole is the first language, English and French are also spoken.
  语言：克里奥尔语为国语，通用英语和法语。
• French did not replace English as the first language.
  法语却没有取代英语而成为英国的第一语言。
• 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。
• English is used as their first language.
  英语被用作他们的第一语言。
• 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。
• 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
• Analysis of the Roles of First Language in Second Language Acquisition;
  在第三语言习得和输出中第一第二语言的角色分析（英文）
• 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。