He is always learning new skills to avoid becoming a desk worker.

He is of Han Chinese descent.

He is studying the major ethnic groups in that region.

The culture of the Zhuang people is very unique, and their traditions and customs have a deep history.

Aliphatic compounds are organic compounds in which carbon atoms form straight or branched chains.

Aromatic compounds are a group of compounds with specific chemical properties.

He is from an illustrious family.

The Indo-European languages are some of the most widely spoken in the world.

The Qiang people are one of the ethnic minorities in China.

The police are closely monitoring the activities of the motorcycle gang.