sediment
Definition
Material such as sand or mud that settles at the bottom of a liquid, especially in water.
中文 沉积物如沙或泥,沉淀在液体底部,特别是在水中。
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.
中文 沉积物如沙或泥,沉淀在液体底部,特别是在水中。
"Over time, layers of sediment formed rock at the bottom of the lake."