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

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

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

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 an illustrious family.

The Takasago tribe played an important role in Japanese history.

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

The Special Higher Police was a police organization that was active in pre-war Japan.

He is undergoing training for extravehicular activity.