V2EX corona

Corona

释义 Definition

Corona 是一个名词,指"日冕"或"冠状物"。最常见的含义是天文学中太阳外层大气的光环(日冕),在日全食时肉眼可见。此外,它也指光源周围的光晕,或解剖学中的冠状结构。近年来,因"冠状病毒"(coronavirus)而广为人知。

发音 Pronunciation

/ko.n/

词源 Etymology

源自拉丁语 corona,意为"花冠、王冠",更早可追溯至古希腊语 κορνη(kornē),意为"弯曲的东西"。这个词在英语中最初用于描述太阳周围的光环,因其形状如同王冠而得名。后来在医学中,因病毒表面突起的形态酷似王冠,便将其命名为 coronavirus(冠状病毒)。

例句 Examples

The corona of the sun became visible during the total solar eclipse.
日全食期间,太阳的日冕变得肉眼可见。

Scientists have been studying the solar corona for decades to better understand how it reaches temperatures far exceeding those of the sun's surface.
科学家们数十年来一直在研究太阳日冕,以更好地理解它的温度为何远远超过太阳表面。

相关词汇 Related Words

文学作品引用 Literary References

  • 在安妮迪拉德(Annie Dillard)的散文集《Teaching a Stone to Talk》中,她在描写日全食的篇章里生动地描绘了日冕(corona)的壮丽景象,将其比作天空中突然绽放的光之花冠。
  • 在科幻作家阿瑟克拉克(Arthur C. Clarke)的短篇小说《Summertime on Icarus》中,太阳的日冕被用来渲染极端太空环境的危险与壮美。
  • 迈克尔克莱顿(Michael Crichton)的小说《The Andromeda Strain》中,"corona"一词出现在对微生物结构的科学描述中,暗示了其冠状形态与病原体之间的联系。
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