retrogressive lap winding

例句：

1. 1. The river's flow is characterizedby a retrogressive lap windingthat leads to the sea.
   这条河流的特点是有倒退的螺旋形弯曲，最终流入大海。
2. 2. The geological formation shows a retrogressive lap winding that has formedover millions of years.
   地质构造显示了数百万年形成的倒退的螺旋形弯曲。
3. 3. Theerosion process in this region ischaracterized by a retrogressive lap winding that can be seen from space.
   该地区的侵蚀过程以倒退的螺旋形弯曲为特征，可以从太空中看到。