单词学习：official language 名词短语
official language
/əˈfɪʃl ˈlæŋɡwɪdʒ/
官方语言
In many countries, English serves as an official language, and Gu Laoshi often uses it to communicate with international colleagues.
在许多国家，英语是官方语言，顾老师经常用它来与国际同事交流。
单词卡片
卡片已就绪
