This mountain is mainly composed of granodiorite.

This mountain is made of diorite.

This rock has been here for hundreds of years.

I go hiking in the mountains every weekend.

Is it possible to change the configuration of this computer?

It took him a year to compose that song.

Sen is my best friend.

Flash, true to his name, is good at moving instantly.

The park is full of fresh greenery.

He mainly eats vegetables.