We moved to a newly developed satellite town.

Singapore is a prosperous city state.

Tokyo is a metropolis of Japan.

We visited the beautiful port city of Yokohama.

General relativity is a theory of physics proposed by Einstein.

Special relativity is one of the fundamental theories of physics.

This area is seriously contaminated with radioactive isotopes.

He feels dizzy when he stands up suddenly due to orthostatic hypotension.

My father was diagnosed with ankylosing spondylitis.

In organic chemistry, pyruvic acid plays an important role.