求翻译：任何彩笔都很难绘出那在严寒的两极空气中嬉戏无常、变幻莫测的炫目之光。 极光有时出现时间极短，犹如节日的焰火在空中闪现一下就消失得无影无踪；有时却可以在苍穹之中辉映几个小时；有时像一条彩带，有时像一团火焰，有时像一张五光十色的巨大银幕，仿佛上映一场球幕电影，给人视觉上以美的享受。是什么意思？

No brushes are difficult to draw that play in the polarization of the cold air of impermanence, the vagaries of the dazzling light. Aurora sometimes very short, like a festival of fireworks flashed in the air and disappeared over it; can sometimes shine in the sky among a few hours; sometimes like a

Any color, it is very difficult to draw that in the cold polar air play in the volatile, unpredictable glare of the light. The auroral sometimes appears as if time is short, and the fireworks festival in the air on the flash a vanished into thin air; and, in some cases it is possible to keep hordes

Any crayon is hard to sketch out the cold polar air play in the blinding light of the uncertainty and unpredictable. Aurora sometimes appear very short amount of time as if the Festival Fireworks Flash in the sky just disappeared into thin air; sometimes it can reflect of the sky for hours, sometime