V2EX lichen

Lichen

释义 Definition

Lichen 是一种由真菌和藻类(或蓝藻)共生形成的复合有机体,常附着在岩石、树皮或墙壁表面,呈扁平状或叶片状生长。中文通常译为"地衣"。

发音 Pronunciation

/la.kn/

例句 Examples

The old stone wall was covered in lichen.
那面古老的石墙上长满了地衣。

Scientists study lichen as an indicator of air quality, since these organisms are highly sensitive to pollution.
科学家将地衣作为空气质量的指标来研究,因为这些有机体对污染非常敏感。

词源 Etymology

lichen 源自拉丁语 lichen,而拉丁语又借自希腊语 λειχνleikhn),原意为"舔食者"或"长在树上的东西",与希腊语动词 λεχεινleíkhein,"舔")有关。这个词最初用来描述附着在岩石和树皮上的植物状生物,形象地比喻它们"舔附"在物体表面生长的样子。该词于16世纪进入英语。

相关词汇 Related Words

文学作品引用 Literary References

  • 在梭罗(Henry David Thoreau)的《瓦尔登湖》(Walden)中,作者多次提及地衣,用以描写自然界中细微而顽强的生命。
  • 在玛丽奥利弗(Mary Oliver)的诗歌中,lichen 常作为自然意象出现,象征静默中的生命力与时间的沉淀。
  • 在罗宾沃尔基默尔(Robin Wall Kimmerer)的《聚集苔藓的智慧》(Gathering Moss)中,地衣作为共生关系的典范被详细探讨。
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