| 释义 |
river net
基本例句
水系
The Congo River and its tributaries have formed a complete water system.有刚果河及其支流形成的单一完整的水系。
This article discusses the river Distribution and function of the Dayan Old Town by using historical Literature, and with site visiting.利用历史文献资料，结合实地考察试图讨论古城的水系分布特点，并总结其功能。 |