Rubis鲁比斯牌手表rubv.擦；摩擦；搓；惹恼n.困难；障碍；擦rub off the rust把铁锈磨掉rub-out method摩擦分散法Rubus pubifoliusn.柔毛悬钩子rubschisantherin红花五味子酯Rubus panduratusn.琴叶悬钩子rubidium sulfate硫酸铷rubbing velocity摩擦速度Rubus chingii HuRubus fruticosus欧洲黑莓Rubus malifoliusn.棠叶悬钩子