Hand washing and wearing masks are important for the prevention of severe acute respiratory syndrome.

His dream is to pilot a flying boat.

He is reading a book about space flight.

He is working as a pilot.

She is famous for her very big breasts.

The doctor examined my stomach using ultrasound.

He has a strong interest in supernatural phenomena.

He believes that he has supernatural powers.

He was struggling to understand the concept of a hypercube.

America is one of the superpowers in the world.