进而导致成群的云系堆积成特殊的荚状云.Several clouds are stacked up into one striking lenticular cloud.云彩的图片画廊.华盛顿瑞尼尔山顶隐藏下方的一叠横向层状透镜状云.The summit of Washington's Mount Rainier lies hidden beneath a stack of horizontally layered lentic...