Chinese operating system

例句：

1. 1. China is the world's largestcountry by land area.
   中国是世界上面积最大的国家。
2. 2. The Great Wall of China isa famous landmark.
   中国的长城是一个著名的地标。
3. 3. Chinese cuisine is known for its spicyand flavorful dishes.
   中国菜以其辛辣和美味的菜肴而闻名。