An observer may pass through the same plane as many of the falling ice crystals near sunrise or sunset.
观察者在接近日出或日落的时候可以与这些冰晶穿过同一个平面。
When the air is cold and the sun is rising or setting, falling ice crystals can reflect sunlight and create an unusual column of light.
当日落或是日出时，如果空气寒冷，下落的冰晶就会反射阳光形成一道不寻常的光柱。
As the cliff of over 700 meters high was thawing, falling ice crashed down raising plumes of ice and dust so thick they cast visible shadows.
从700米高的悬崖上融化的冰雪，滑下后经过碰撞，造成了羽状的冰雪以及形成可见阴影的厚厚尘埃。
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