为什么这个古代文明突然消失是历史上最为令人困惑的问题之一(disappear)翻译急

disappear [,dɪsə'pɪr] [词典释义]vi.1.消失,不见;突然离开 将中文译成英语Why this sudden disappearance of ancient civilizations in history one of the most perplexing question...