صوت مشترک

China's Amazing Science and Technology Good morning, dear teachers and classmates. My name is Vito. Today, I want to talk about my great motherland—China, and its amazing science and technology. China is a great country with a long history. In ancient times, we had the Four Great Inventions. They are papermaking, printing, the compass and gunpowder. They changed the whole world. Today, China is becoming stronger day by day. We have fast high-speed trains, great space station and easy mobile paym