China adopts the principle of people's democratic dictatorship.

You need sandpaper to smooth this wood.

He bought paint to paint the house.

His novel depicts a world of fantasy.

The artificial satellite is orbiting around the earth.

The study of artificial life is a new frontier in science.

He is a person who has a broad-minded heart and accepts all.

He decided to undergo sex reassignment surgery.

Proportional representation is an important system to ensure the fairness of elections.

The rights of transgender people should be respected.