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
• English is not used as the first language in China.
  在中国英语不是被用作第一语言。
• 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。
• 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！
• 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）。
• 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。
• 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。
• 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 used as their first language.
  英语被用作他们的第一语言。