His music has a melancholic atmosphere.

His talent is immediately noticeable.

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 rose in the world through hard work and talent.

He always plays minor parts in the theater company.

The Hachijō bulbul is chirping outside the window.

World War II lasted from 1939 to 1945.