drainage network

• 河网,排水网

drainage network的用法和样例：

例句

1. The city is dissected by a network of old canals.
   古老的运河网将这座城市分割开来。
2. Shanghai in Yangtze Delta alluvial plain, low-lying, the network of waterways covered with vast shoals resources.
   上海位于长江口冲积平原，地势低洼，河网密布，拥有广阔的滩涂资源。