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

• 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。
• My first language is dutch.
  我的母语是荷兰语。
• 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。
• 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。
• 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。
• If English is not your first language, you will need at least two good dictionaries.
  如果英语不是你的母语的话，你至少需要两本好字典。
• 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。
• 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；
• If your first language is not English, you should still try to read the non-literary works in English.
  如果你的母语不是英语，你仍应该努力以英语去读这些非文学作品。
• 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。