This charcoal-powered vehicle is said to be environmentally friendly.

He used a metal detector to search for treasure on the beach.

Carbohydrates are important as a source of energy.

Carbonated beverages often go well with meals.

I am single and live alone.

My father had to move away from his family for work.

People from all over the country gathered to celebrate the emperor's birth.

This fossil is made of carbon.

He removed unnecessary items from the room.

I am studying Japanese katakana.