detritus fan

• 冲积扇

detritus fan的用法和样例：

例句

1. These channels are most common near the apex of the alluvial fan body.
   这些河道最常见于近冲积扇体的顶端。
2. The landform on which ancient human activity relic located was interfluvial floodplain on Yongding River Alluvial Fan.
   古人类活动遗址所处地貌部位为古永定河冲积扇的河间冲积平原。