短語詞組短語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 極夜渦旋Polar Night Half Marathon 極夜馬拉松polar daylight and polar night 極晝和極夜The Polar Night of Helsinki 第三章赫爾辛基的極夜 返回 polar night