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。
沟: 名词1.(挖掘的水道或工事) channel; ditch; gutter; trench 短语和例子交通沟 communication trench; 排水沟 drainage ditch; drain; 阴沟 drain; sewer; 挖一道沟 dig a ditch; 沟里的水不很清洁。 the water in the ditch is not very clea
