The overall official language is Hindi.

统一语言是印地语。

Mandarin is the official spoken language of China.

汉语是中国语言。

Mandarin is the official language of this country.

普通话是这个国家语言。

Weren't they both speaking in English, the official international aviation language?

他们当时难道不是英语吗？英语不是国际行语言吗？

And now but the official language is English, right?

不语言是英语，对吧？

In which of these nations is Romansh an official language?

这些国家中哪些国家语言是罗马语？

Which of these African countries has the most official languages?

以下非洲国家中，哪个国家有着最多语言？

That's the official language the U.S. government is using.

这是美国政府使用用语。

Canada, like Cameroon, has official languages of English and French.

加拿大和喀麦隆一样，有英语和法语两种语言。

Spanish is the official language of 21 countries and Puerto Rico.

西班牙语是 21 个国家和波多黎各语言。

The two official languages in the country are English and Maori.

新西兰两种语言是英语和毛利语。

The comments were made in Farsi, the official language of Iran.

这段评论是用波斯语写出来，是伊朗语言。

There are several world nations whose official language is Portuguese.

有几个国家语言是葡萄牙语。

What's the only South American country whose official language is Portuguese?

“语言是葡萄牙语唯一南美国家是哪个?

And you can follow the organization in any of it's official languages.

你可以通联合国任何一种语言来了解最新动态。

It is for this reason that Spanish is the main official language of Peru.

西班牙在16世纪开始掌控秘鲁，并一直统治到1821年。正因为如此，西班牙语是秘鲁主要语言。

But then 70m people live in African countries in which Portuguese is an official language.

但还有7000万人生活在以葡萄牙语为语言非洲国家。

The question was about the country with the most official languages.

问题是关于语言种类最多国家。

The country with most official languages is the Republic of South Africa with 11 languages.

语言种类最多国家是南非共和国，一共有11种。

With 11 official languages including Zulu, Afrikaans and English, South Africa has the most on this list.

南非以11种语言（包括祖鲁语，南非语和英语）名列榜首。