noun 下载 🔗分享 乌云,暴风雨云。 A dark and ominous cloud that appears to indicate a coming storm. Examples : "The picnic was cut short when we saw the stormclouds gathering on the horizon. " 当我们看到地平线上聚集着乌云密布的暴风雨云时,野餐不得不提前结束了。 weather nature environment 与AI对话词汇游戏阅读练习