sediment
Definition
Material such as sand or mud that settles at the bottom of a liquid, especially in water.
日本語 液体、特に水の底に沈み込む砂や泥
Example
"Over time, layers of sediment formed rock at the bottom of the lake."
Material such as sand or mud that settles at the bottom of a liquid, especially in water.
日本語 液体、特に水の底に沈み込む砂や泥
"Over time, layers of sediment formed rock at the bottom of the lake."