deposulf

例句：

1. 1. The river has deposited a thick layer of mud on the banks.
   河流在河岸上沉积了厚厚的一层泥。
2. 2. The geologist studied the layers of sedimentary rock in the area.
   地质学家研究了该地区的沉积岩层。
3. 3.The ancient civilization left behind a wealth of artifacts and fossils as evidence of their existence.
   古代文明留下了丰富的文物和化石，作为其存在的证明。