deposit
/dɪˈpɑzət/
the phenomenon of sediment or gravel accumulating
中文释义:沉积物;沉淀
The river delta is formed by the continuous deposit of sediment over centuries.
河流三角洲是由几个世纪以来沉积物的不断堆积形成的。
Geologists study the layers of deposit to understand the Earth's history.
地质学家研究沉积层以了解地球的历史。