Studying the history of the Imperial Examination is important for understanding the past of our country.

Maintaining oral hygiene is very important for overall health.

He is working at the pithead.

Sexual intercourse is one of the basic human desires.

They were having sex in secret.

The Eurasian lynx lives in the forested areas of the Eurasian continent.

The toucan is a colorful bird that lives in the tropical rainforests of South America.

Everything he says is a huge lie.

He searched the sea to find a great seahorse.

Carrying the stage props of the theater company is a tough job.