He has a Cambodian friend.

He was born and raised in North Vietnam.

He has many Vietnamese friends.

Old Church Slavonic is the first language written by the Slavs.

Old Church Slavonic is the oldest recorded language of the Slavic group.

I am thinking of learning Levantine Arabic.

The Germanic languages, such as English and German, form the basis of many modern languages.

He is an expert in computational linguistics and is involved in the development of artificial intelligence.

I have been to the Kingdom of Cambodia.

The Vietnam War had a profound impact on many people.