You can use spectroscopy to examine the components of a substance.

This scent comes from benzoin.

The population density of this area is very high.

I like reading uncle's composition.

My college is in Tokyo.

I want to go to the Principality of Andorra.

My great-great-grandmother is still healthy and living a long life.

My father has been suffering from sciatica for a long time.

I went to the station through the underground passageway.

My child goes to a public school.