Her black hair is very beautiful.

He toiled a lot to complete that project.

Mr/Ms Shimabukuro is from Okinawa.

The structure of chromatin greatly affects the expression of genetic information.

He is an expert in bibliography and works in many libraries.

The dark priestess used the power of darkness to save the village.

She was feared as a dark priestess.

I like to put brown sugar in my coffee.

After the atomic bomb fell, black rain fell.

The black grouse is known for its beautiful feather color.