V2EX subsoil

Subsoil

释义 Definition

subsoil(名词)指表土层下面的土层,即"底土"或"心土"。它位于地表耕作层(topsoil)之下,通常质地较硬、养分较少,颜色也与表土不同。

发音 Pronunciation

/sb.sl/

例句 Examples

The subsoil in this area is mostly clay.
这个地区的底土主要是黏土。

Before constructing the foundation, engineers analyzed the subsoil to determine whether it could support the weight of the building.
在建造地基之前,工程师们分析了底土,以确定它是否能承受建筑物的重量。

词源 Etymology

subsoil 由前缀 **sub-**(意为"在……之下",源自拉丁语)和 soil(意为"土壤",源自古法语 soel,最终来自拉丁语 solum,指"地面、土地")组合而成。该词最早出现于18世纪末,随着农业科学和地质学的发展而被广泛使用,用以区分地表可耕种的表土与其下方较深的土层。

关联词 Related Words

文学作品引用 Literary References

  • 托马斯哈代(Thomas Hardy)在《还乡》(The Return of the Native)中多次描写荒原的土壤层次,涉及 subsoil 的意象,用以衬托大地的沉默与深厚。
  • 温德尔贝里(Wendell Berry)在其农业散文集中频繁使用 subsoil 一词,探讨土壤保护与可持续耕作的关系。
  • 查尔斯达尔文(Charles Darwin)在《腐殖土的形成与蚯蚓的作用》(The Formation of Vegetable Mould Through the Action of Worms)中详细讨论了蚯蚓活动对 subsoil 结构的影响。
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