sedimentation trough

例句：

1. 1. The sedimentation trough is a crucial part of the river's ecosystem.
   沉积槽是河流生态系统中至关重要的一部分。
2. 2. The sedimentation trough helps to prevent the buildup of silt in the riverbed.
   沉积槽有助于防止河床上的泥沙堆积。
3. 3. The sedimentation trough plays a vital role in maintaining the health of the waterway.
   沉积槽在维护水道健康方面起着至关重要的作用。