V2EX polaris

Polaris

释义 Definition

Polaris:北极星(又称“勾陈一”),位于小熊座,因非常接近天球北极而在北半球常被用来指示正北方向;在航海、旅行与天文观测中具有重要定位意义。(也可引申指“指引方向的标志/指路明灯”。)

发音 Pronunciation

/polrs/

例句 Examples

Polaris helps you find north at night.
北极星能在夜里帮助你找到正北方向。

Sailors once relied on Polaris to navigate across open seas, using it as a steady reference in the sky.
过去水手常依靠北极星在大海上航行,把它当作天空中稳定的参照物。

词源 Etymology

Polaris 来自拉丁语,意为“北极的、与极点有关的”,词根与 polar(极地的、两极的)同源;之所以得名,是因为它位于北天附近,长期被视为“北方的标记”。

相关词 Related Words

文学与作品 Literary Works

  • Moby-Dick(Herman Melville):书中多处以星辰与航海定位为意象,常提及包括北极星在内的天体参照。
  • The Odyssey(Homer,英译本常见表述):有关航行与辨认星辰的段落中,常以“北方恒星/北极星”作为导航意象出现。
  • Walden(Henry David Thoreau):自然书写中常借“北极星”表达方向感与精神指引的象征意义。
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