n. 交通事故
【化】 堆存
在线英汉词典

pile-up的短语、例句：

pile-up n crash involving several vehicles 几辆车相撞
The thick fog has caused several bad pile-ups on the motorway. 因大雾弥漫, 高速公路上发生了几起严重的连环撞车事故.