delta plain

• 三角洲平原

delta plain的用法和样例：

例句

1. The river discharged into the western part of the deltaic plain.
   河水排注到三角洲平原的西部。
2. Lakeshore and fan delta plain of the thirdstage are the main enviroments of coal accumulating.
   湖泊缓慢淤浅阶段的湖滨和扇三角洲平原是聚煤的主要环境。