雪: Ⅰ名词1.(空气中降落的白色结晶) snow 短语和例子积雪 bear snow; 融雪 melting snow; 深雪 deep snow; 一场大雪 a heavy fall of snow; 道路被雪覆盖了。 the road is covered with snow. 天下着鹅毛大雪。 it's snowing in great flakes. 昨夜的雪下得很大。
Example Sentences:
1.
Reducing operating cost whilst enhancing overall operating efficiency of the cooling system . ammonia has zero ozone depletion and is a very environmentally friendly refrigerant ，既能减低成本，又可提高运作效率；而且氨气不会损害臭氧层，是非常环保的雪种。
