Mendelssohn's music is very beautiful.

He was working as if he had eight faces and six arms, doing the work of many.

I love ramen topped with char siu.

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

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

He said, 'Man shall not live by bread alone,' teaching me that spiritual satisfaction is also important.

He left early to avoid the problem.

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.

The feline immunodeficiency virus can potentially have serious effects on a cat's health.