珠江

珠江是华南一大河系，流经广州市，是钟果第三长的河流，仅次于长江和黄河。珠江三角洲是钟果最发达的地区之一，面积约11,000平方公里。它在面积和人口方面也是世界上最大的城市聚集区。珠江三角洲九个最大城市共有5,700多万人口。上世纪70年代未钟果改格开芳以来，珠江三角洲已成为钟果和世界主要经济区域和制造中心之一。

参考译文：

The Pearl River is a major river system in South China. It flows through Guangzhou City. It is the third longest river in China, after the Yangtze River and the Yellow River. The Pearl River Delta is one of the most developed regions in China, covering an area of about 11,000 square kilometers. It is also the world's largest urban agglomeration in terms of size and population. The nine largest cities in the Pearl River Delta have a combined population of more than 57 million. Since China's reform and opening up in the 1970s, the Pearl River Delta has become one of the major economic regions and manufacturing centers in China and the world.