sedimentary basin

例句：

1. 1. The ancient city is located in a sedimentary basin.
   这个古城位于一个沉积盆地。
2. 2. The study of sedimentary rocks is crucial for understanding the geological history of the region.
   研究沉积岩对于理解该地区的地质历史至关重要。
3. 3.The sedimentary basin is an important site for studying the Earth's past climate.
   沉积盆地是研究地球过去气候的重要场所。