light snow

基本解释

A light snow was falling, the trees sparkled with frost. Passed a couple of huge, empty cafés that looked like dismal waiting rooms.
正下着小雪，树上结的霜晶莹闪亮，我经过看上去像阴沉的候诊室的几家空荡荡的大咖啡馆。
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The weather was cold at the time, with fog and light snow falling, and investigators are likely to concentrate on the possibility of ice build-up on the aircraft.
在这个季节气温很低，有雾和小雪，调查员可能会集中分析机身结冰的可能。
Michael Musher, a National Weather Service meteorologist, said light snow in the Midwest and light rain elsewhere around the country could cause only minor problems.
迈克尔·姆舍，国家气象服务中心的天气预报员，说中心部地区将会有小雪，其他地区的小雨可能会造成一些小问题。

This gives them their color. However,when light travels from air to snow, some light is sent back,or reflected.
The blue light is the product of a long travel path through the snow or ice.
It is this light that gives snow its white appearance.