V2EX sediment

Sediment

释义 Definition

sediment 是名词,意为"沉淀物、沉积物",指液体中沉降到底部的固体颗粒,也指地质学中由水、风等自然力搬运并沉积下来的物质(如泥沙、砾石等)。

发音 Pronunciation

/sdmnt/

例句 Examples

The sediment at the bottom of the river made the water look muddy.
河底的沉积物使河水看起来很浑浊。

Over millions of years, layers of sediment were compressed and transformed into the sedimentary rock formations we see in the canyon today.
经过数百万年的时间,层层沉积物被压缩,最终形成了我们今天在峡谷中看到的沉积岩地貌。

词源 Etymology

sediment 源自拉丁语 sedimentum,意为"沉降、沉淀",其词根为拉丁动词 sedēre,意为"坐、坐落"。这个词根传达了"向下落定、安定"的核心含义。16世纪经法语进入英语,最初用于描述液体中自然下沉的固体物质,后来扩展到地质学领域,指代自然界中沉积形成的物质。

相关词汇 Related Words

文学作品引用 Literary References

  • 在雷切尔卡森(Rachel Carson)的《我们周围的海洋》(The Sea Around Us)中,sediment 被大量使用来描述海底沉积层的形成过程及其对地球历史的记录意义。
  • 在查尔斯达尔文(Charles Darwin)的《物种起源》(On the Origin of Species)中,达尔文讨论地质年代时多次提及 sediment,用以解释化石如何在沉积层中保存下来。
  • 在约翰麦克菲(John McPhee)的地质学文学作品《盆地与山脉》(Basin and Range)中,sediment 是核心词汇之一,贯穿全书对北美地质演变的叙述。
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