The center of this plate is sunken.

Please teach me how to calculate the area of this circular sector.

He prostrated before the king to show respect.

He bought a new leather jacket.

The United Nations Environment Programme is providing solutions to global environmental problems.

He is world-famous as a comparative linguist.

He got a four of a kind in poker.

This painting is a masterpiece from the Renaissance era.

The committee approved the new project.

He ran away from the escape.