official language 公用语 ; 法定语言
First official language 第一官方语言
second official language 第二官方语言
an official language 一种官方语言
Official Language Act 正式语言法案
the official language of England 英格兰的官方语言
non-official language 非官方语言
nd Official Language 第二官方语言
The country's official language is Spanish.
这个国家的官方语言为西班牙语。
English became the official language for business in spite of the fact that the population was largely Chinese.
虽然当地居民主要是中国人，英语却成了商业上正式使用的语言。
When the French ruled England, French was the official language.
当法国人统治英国时，法语是英国的官方语言。
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