V2EX sediment

Sediment

定义 Definition

sediment(名词):沉积物;(液体底部的)沉淀物,指水、风、冰等搬运后沉积下来的沙、泥、矿物颗粒等,或饮料、药液等静置后沉到容器底部的固体物质。

发音 Pronunciation

/sedmnt/

例句 Examples

The river leaves sediment on the riverbank after heavy rain.
暴雨过后,河流会在河岸上留下沉积物。

Over centuries, layers of sediment built up on the seabed, preserving fossils and reshaping the coastline.
数百年来,海床上的沉积物层层堆积,保存了化石,也改变了海岸线的形态。

词源 Etymology

来自拉丁语 sedimentum,源于动词 sedēre(“坐下、沉降”)。核心意象是“颗粒慢慢沉下来,停在底部”,因此引申为“沉淀物/沉积物”。

相关词 Related Words

文学作品中的用例 Literary Works

  • Charles Darwin, On the Origin of Species(《物种起源》):讨论地质过程与地层沉积时会使用 sediment 及相关表达。
  • Herman Melville, Moby-Dick(《白鲸》):涉及海洋、深海与自然描写的段落中出现过 sediment(及其地质语境用法)。
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