The Japanese tree frog is a beautiful frog that lives in the forests of Japan.

His music is very avant-garde, and some people might not understand it.

He has a creative way of thinking.

Erebus is the god of darkness and chaos in Greek mythology.

It is known that passive smoking has a negative impact on health.

He is dedicated to the study of immunochemistry.

Homo erectus is considered one of the ancestors of mankind.

He swore to protect that secret even at the cost of his life.

If you rephrase that complex theory in simpler terms, it's just common sense.

He daringly accepted the challenge.