?白匈奴
如众所周知，匈奴则不断西去欧洲，与欧洲人通婚，遂有白匈奴(White Huns)之称谓。他们于公元五世纪“为害”欧洲，首领是阿提拉(Attila, 406-453)，一时势力远及法国并威胁了罗马，迫得教廷出面言和。
His Chinese equivalent, the indomitable Xuan Zhang, who arrived here from the other end of the Silk Road in the 7th Century, mourned the destruction wrought by the White Huns.
BBC: Following the Silk Road to the end of China
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