求翻译：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？

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 ribbon, and sometimes like a cloud of flame, and sometimes like a bright lights of the huge screen, as if to release a ball movie s

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 of sunburst several hours; and, in some cases like a ribbon, and sometimes like a flame, and sometimes like a 5 colors of t

Sometimes the aurora appears when the auxiliary pole is short, the like holiday fireworks in airborne flashes before vanishes without a trace; Sometimes actually may shine for several hours in the vault of heaven; Sometimes looks like a colored ribbon, sometimes looks like group flame, sometimes loo

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, sometimes like a Ribbon, sometimes like a ball of flame, sometimes like a colorful big screen, as if the game screen the film

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