I have been to Hunan.

Huainan is a city in China.

I looked at the southern sea and was moved by its beauty.

The culture of southern Fujian is very unique, and its influence is widespread.

I was born and raised in Shonan.

He utilized his experience from the past to make the new project a success.

How many times have you sung that song?

I have had loose stools since yesterday.

In organic chemistry, nonane is a saturated hydrocarbon consisting of nine carbon atoms.

What floor is the library on?