sediment
UK/'sedɪm(ə)nt/US/'sedimәnt/
IELTSTOEFLGREB1
释义
n.
Solid matter that settles to the bottom of a liquid
沉积物，沉淀物
n.
(geology) material deposited by water, wind, or ice
（地质）沉积物
v.
To settle or be deposited as sediment
沉积，沉淀
词根拆分
词根派生源自拉丁语 sedimentum「沉淀」（sedēre 坐/安顿）+ -ment。sediment 字面就是「坐」到底部的东西——从河水里沉下来的淤泥、酒瓶底的沉渣。
词根 sit 还连着 98 个词常用搭配
- 1.river sediment河流沉积物
- 2.sediment layer沉积层
- 3.sediment deposits沉积矿床
- 4.settle as sediment沉淀为沉积物
例句
- 1.
Layers of sediment built up at the bottom of the lake.
湖底积起了一层层沉积物。
- 2.
Let the wine stand so the sediment settles.
让酒静置一会儿，好让沉渣沉淀下来。