Mr. Yamagoshi is my best friend.

I heard a partridge chirping in the forest.

I have visited the Mount of Olives.

In organic chemistry, azulene is known as a special compound.

The subtropical climate is warm and humid throughout the year.

I saw a rhesus macaque in the park.

It is said that rhesus macaques are very intelligent.

My elder sister is a doctor.

I have a new car.

He has a deep interest in European and Asian cultures.