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.

He is doing special exercises to strengthen his abductor pollicis brevis.

He is doing special exercises to strengthen his abductor pollicis longus.

We have to fill in this hole.

I spilled the powder in the kitchen.

He is good at playing the electric guitar.