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

• 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
• 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。
• 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）。
• 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。
• 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。
• 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）
• Even if English isn't your first language, these students need your help!
  即使你的母语不是英语，也可以用你的热情和爱心帮助孩子们！他们需要你！
• The first language I spoke was Chinese and I learned English later, but I forgot all my Chinese.
  我会的第一种语言是汉语，后来我才学得英语，但是现在我已经把汉语全忘了。
• 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。
• 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。