澜沧江

例句：

1. 1. The Lancang River flows through the heart of China's Yunnan province.
   澜沧江流经中国云南省的中心地带。
2. 2.The Lancang River is a vital source of water for the region.
   澜沧江是该地区的重要水源。
3. 3. The Lancang River is famous for its picturesque scenery and rich cultural heritage.
   澜沧江以其美丽的风景和丰富的文化遗产而闻名。