detrital food chain

例句：

1. 1. The river is filled with detrital material from the nearby forest.
   这条河里充满了附近森林的碎屑物质。
2. 2.The scientist collected samples of detrital rocks for further analysis.
   科学家收集了一些碎屑岩石样本以便进一步分析。
3. 3.The city was built on top of a layer of detrital soil that had been washed away by floods.
   这个城市建立在一层被洪水冲刷掉的碎屑土壤之上。