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.
正下著小雪，樹上結的霜晶瑩閃亮，我經過看上去像隂沉的候診室的幾家空蕩蕩的大咖啡館。
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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.
在這個季節氣溫很低，有霧和小雪，調查員可能會集中分析機身結冰的可能。
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.
邁尅爾·姆捨，國家氣象服務中心的天氣預報員，說中心部地區將會有小雪，其他地區的小雨可能會造成一些小問題。

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.