My cat has been infected with the feline immunodeficiency virus.

His Japanese ability is improving gradually.

The human immunodeficiency virus destroys the immune system, causing the body to lose its ability to fight disease.

The human immunodeficiency virus is the virus that causes AIDS.

I heard the sound of cicadas in the park.

The United Kingdom of Great Britain and Northern Ireland is a country located in Europe.

He is an excellent troubleshooter, good at solving difficult problems.

I bought a new TV in the Black Friday sale.

According to the recipe, you need to add two tablespoons of sugar.

My specialty is computer troubleshooting.