His body was surprisingly flexible.

I am very interested in natural science.

There is no choice but to move forward.

He was diagnosed with congestive heart failure.

My friend is working in the United Arab Emirates.

The Yemen Arab Republic is a country located in the Middle East.

The Federal Republic of Yugoslavia was once an existing nation.

It is important to learn about the prevention and treatment of the human immunodeficiency virus.

The human immunodeficiency virus destroys the immune system, making the body unable to fight disease.

Atsumu is immersed in compiling a dictionary.