The advancement of science and technology has greatly changed our lives.

He is good at solving technical problems.

Information technology plays a very important role in modern society.

He thinks that war is a necessary evil.

My grandfather is a master of water ink painting.

He is good at drawing a picture of a dragon.

My hobby is painting Japanese-style paintings.

This still picture is one of his best works.

My hobby is painting watercolors.

The song of the hwamei is very beautiful.