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

The study of crystal classes is an important part of mineralogy.

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

He is from an illustrious family.

The Levites are one of the twelve tribes of ancient Israel.

He goes to the company every day as a company man.

He comes from the declining aristocracy, a lifestyle that is not seen today.

He is from the Hui people, a minority ethnic group in China.

He is of Han Chinese descent.

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