He terrified people by using black magic.

He has a black belt in karate.

The microchip is an important part of the computer.

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.

The National People's Congress is the highest legislative body in China.

He learned the basics of Japanese.

He tried to solve the problem all day long.