He undergoes dialysis every week.

He is feeling loneliness.

He is feeling lonely.

There are many sweet flags blooming in this pond.

In this museum, lithographs from the 19th century are on display.

This stone slab is an ancient artifact.

My mother underwent surgery for gallstones.

He is drawing a picture on a slate.

A beautiful gemstone was embedded in her ring.

This building is made of marble.