V2EX heliotropic

Heliotropic

释义 / Definition

(尤指植物)向日的;随太阳转动的;趋日性的。
常用来描述叶片、花朵等在白天朝向太阳的运动或生长反应。也可较少见地指“天芥菜(heliotrope)般的紫色/香气”等引申义。

发音 / Pronunciation (IPA)

/hilitrpk/(英)
/hilitrpk/(美)

例句 / Examples

Sunflowers are heliotropic when they are young.
向日葵在幼苗阶段会呈现向日性。

In the morning light, the plant’s heliotropic leaves slowly reoriented, maximizing exposure as clouds drifted across the sky.
在清晨的光线里,这株植物的向日性叶片缓慢调整方向;当天空中云层飘过时,它仍尽量扩大受光面积。

词源 / Etymology

源自希腊语:hēlios(太阳)+ tropos(转向、转动),字面意思是“向太阳转”。相关名词 heliotropism 指“向日性(趋日运动)”。

相关词 / Related Words

文学与作品中的用例 / Literary Works

该词更常见于自然观察、植物学与科普写作中(用于描述植物的向光/向日反应)。在以下经典英文著作的相关语境中常能见到或与其紧密相关的用法:

  • Charles Darwin, The Power of Movement in Plants(讨论植物运动与向光/向日现象)
  • John Steinbeck, The Log from the Sea of Cortez(自然观察写作中常用类似术语描写生物与环境的关系)
  • Rachel Carson, The Sense of Wonder(自然书写中可能出现用于描绘植物与光的互动的词汇)
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