normal fault scarp

例句：

1. 1. The earthquake caused a normal fault scarp in the area.
   地震在该地区造成了一个正常的断层陡崖。
2. 2.The geologist studied the normal fault scarp to understand the tectonic movement.
   地质学家研究了正常的断层陡崖，以了解地壳运动。
3. 3.The normal fault scarp is visible from the surface, indicating that the earth's crust is not uniformly thick.
   从地表可以观察到正常的断层陡崖，这表明地球的地壳不是均匀的。