river plain

• 河流平原,冲积平原

river plain的用法和样例：

例句

1. City is located in the deep basin Heilonggang Hutuo OXBOW for the alluvial plain.
   深州市地处黑龙港流域滹沱河故道，为冲积平原。
2. Bangkok is surrounded by a vast, damp, alluvial plain, crisscrossed by a network of klong.
   曼谷为一个广阔潮湿的冲积平原所环绕，有纵横交错的运河网。