Fluoromethane plays an important role in chemical reactions.

Chloromethane is often used in organic chemistry experiments.

Difluoromethane is widely used as a refrigerant.

There are three boys named Akira in the class.

He always plays minor parts in the theater company.

The Hachijō bulbul is chirping outside the window.

He bought paint to paint the house.

His novel depicts a world of fantasy.

You need sandpaper to smooth this wood.

China adopts the principle of people's democratic dictatorship.