Roiu罗尤ROabbr.雷达操作人员(=Radar Operator）abbr.雷达测距器(=Range Roly)Rozella laevis平滑罗兹壶菌Ro-man peace罗马式的和平Roaf's methodsRougan Granule柔肝颗粒Roppongi HillsRovsing's signrousing cheers热烈的欢呼Roussin's saltRokkaku Shisui六角紫水(1867-1950),日本人,漆工艺家。Rourea caudatan.长尾红叶藤