sediment

'sedimәnt

托福雅思GRE Collins 1

n. matter that has been deposited by some natural process
v. deposit as a sediment
v. settle as sediment

n. 沉淀物, 沉积
[化] 沉降物; 沉积物

Collins 星级

5,512

BNC 频率

7,879

使用频率

sediment 由词根 sed-（意为“坐下”）和后缀 -ment（表示动作或状态）构成，整体意思是“沉淀物”，可以联想到物质在水中“坐下”沉淀的过程。

例句

1. The river carries sediment from the mountains to the ocean.

河流将来自山脉的沉积物带到海洋。

2. Sediment can build up at the bottom of a lake over time.

沉积物会随着时间的推移在湖底积累。

3. Scientists study sediment to learn about the history of the Earth.

科学家研究沉积物以了解地球的历史。