The doctor examined my stomach using ultrasound.

She is famous for her very big breasts.

He believes that he has supernatural powers.

This book is the super-translated version of Harry Potter.

Superfluidity is a part of physics, referring to the phenomenon where certain liquids flow without friction.

He was struggling to understand the concept of a hypercube.

America is one of the superpowers in the world.

In physics, ultrashort waves form a part of the electromagnetic spectrum.

I am planning to go to Pyongyang next week.

In Korean, a flat sound is an unaspirated sound.