Who are the barbarians who put footprints on whitewashed walls, who throw chewing gum and cigarette butts on the stairs, who spit and even blow their nose on the floor?是什么意思_Who are the barbarians who put footprints on whitewashed walls, who throw chewing gum and cigarette butts on the stairs, who spit and even blow their nose on the floor?在线翻译_英语_读音_用法_例句