polar night

基本解释

• [天] 極夜

同根派生

• polar night相关词

英汉例句

雙語例句

• To fight off the perpet­ual blackness of the polar night, a windmill was installed to run electric arc lamps.
  爲了擊退極地之夜的黑暗，他還裝了個風車發電運行電弧燈。
• This difference allows the satellite to capture a year-round sea ice record, despite cloud cover and months of polar night.
  這種差別使得衛星能夠獲取整年的海冰記錄，除非出現雲層遮蔽或極夜的月份。
• But as the annual winter sea ice boundary retreats farther south, pack ice penguins may ultimately find themselves trapped behind a curtain of polar night for which they have no hardwired strategy.
  但隨著鼕季海冰邊界不斷曏南撤退，喜歡在積冰上生活的企鵞也許最終會被睏在極夜的黑幕中無法脫身。

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词组短语

短語

• polar night jet 極夜急流;極夜噴流
• polar night jet stream 極夜噴射氣流
• Polar night charm 極夜魅惑
• polar night vortex 極夜渦鏇
• Polar Night Half Marathon 極夜馬拉松

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英英字典

劍橋英英字典

• a night or the time in winter at places close to the North or South Pole, when the sun does not appear above the horizon

• polar night剑桥字典
• polar night柯林斯字典

专业释义

地球科學

• 極夜

天文學

• 極夜