sedimentin

例句：

1. 1. The river has been eroding the land for centuries, causing sediment to accumulate in the valley.
   这条河流已经侵蚀了土地数百年，导致沉积物在山谷中积累。
2. 2.The scientist discovered a new species of plant by studying the sedimentary layers in the fossil record.
   科学家通过研究化石记录中的沉积层发现了一种新的植物物种。
3. 3. The earthquake caused massive tsunami waves that sedded the coastline, destroying many coastal villages.
   地震引发了巨大的海啸波，冲毁了许多沿海村庄。