sediment ripples

例句：

1. 1. The river's sediment ripples are evidence of the rapid flow.
   河流的沉积波纹是流速快的证据。
2. 2.The waves created by the wind can create sediment ripples on the shore.
   风吹起的波浪可以在岸边形成沉积波纹。
3. 3. The sediment ripples in the lake reflect the history of the area.
   湖泊中的沉积波纹反映了该地区的历史。