V2EX helix

Helix

释义 Definition

helix /hilks/:螺旋;螺旋形结构。常指三维空间中像弹簧一样盘旋上升(或下降)的曲线或形状;在生物学中也常见于“螺旋结构”(如 DNA 的双螺旋)。

发音 Pronunciation (IPA)

/hilks/

例句 Examples

A helix looks like a spring.
螺旋看起来像一根弹簧。

The scientist built a model to show how the DNA helix twists and carries genetic information.
科学家制作了一个模型,用来展示 DNA 螺旋如何扭转并携带遗传信息。

词源 Etymology

来自拉丁语 helix,意为“螺旋、盘绕之物”,再上溯到希腊语 helix(意为“盘绕、卷曲的东西”)。因此该词常用于描述“卷绕上升的形状”,并在数学、生物学等领域延伸出专门含义。

相关词 Related Words

文学作品 Literary Works

  • James D. Watson The Double Helix(书名中直接出现 helix,以“双螺旋”隐喻 DNA 结构与科学发现过程)
  • Richard Dawkins The Selfish Gene(讨论遗传与 DNA 结构时常出现 helix / double helix 相关表述)
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