He is an expert in astrophysics.

He has a deep interest in classical literature.

He is good at fighting using the Tekkō-kagi.

Lepidocrocite is a type of iron oxide mineral, which is reddish-brown in color.

An antelope is a mammal of the Bovidae family.

The doctor told me that I need to have a catheter inserted.

This sentence contains an asterisk.

Terpsichore is the goddess of music and dance in Greek mythology.

In Greek mythology, Terpsichore is known as the goddess of dance.

The history of the Comintern is very interesting.