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

• 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。
• 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！
• 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）
• 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。
• 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。
• 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；
• 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。
• 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。
• 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。
• A written communication in a second language having the same meaning as the written communication in a first language.
  用第二种语言对第一种语言的内容所做的意思相同的书面传达。