The Great Wall of China is one of the greatest wonders of the world.It is about 4000 miles long.中国长城是世界上最伟大的奇观之一，大约有4000英里长。
The Great Wall of China is called the "Ten-thousand-Ii Great Wall" in Chinese.中国长城被称为“万里长城”。
The Great Wall has a history of over twenty centuries.长城有两千多年的历史。（这里的century是“世纪”的意思
