云常会凝结成雨或雪.Clouds usually precipitate as rain or snow.乌云是雨或雪将至的预兆.Dark clouds are a sign of rain or snow.水以雨或雪的形式降落在地球上寒冷的地方.Water falls as rain or as snow in cold parts of the world....

云常会凝结成雨或雪.Clouds usually precipitate as rain or snow.那我要七喜或雪碧.Then I'll have a 7 Up or Sprite.乌云是雨或雪将至的预兆.Dark clouds are a sign of rain or snow....