Sediment
01
堆積物, 沈殿物
particles of solid material that settle at the bottom of a liquid
例
After the river flooded, a layer of sediment covered the riverbed.
川が氾濫した後、堆積物の層が川床を覆いました。
02
堆積物, 沈殿物
particles of rock, minerals, or organic materials that have been transported by wind, water, or ice, and deposited in layers on the Earth's surface
