roothold n.根部固著力；使根固定之処rootery 腐根土rooter plough [經(jīng)濟(jì)學(xué)]掘根犁rooter n.拔根者；用鼻掘土的動(dòng)物；挖土機(jī)rootedly adv.生了根地rooted fold [能源科學(xué)技術(shù)]原地褶皺rooted adj.根源的；根深蒂固的；固定住的動(dòng)詞root的過去式和過去分詞形式.rootdozer n.除根機(jī)rootdirectory 根目錄rootbound adj.根部受束縛的rootbeer n.麥根啤酒rootball 團(tuán)根rootage ratio [辳業(yè)科學(xué)]生根率rootage n.根部生根；根深蒂固root-weld 打底銲root-weight 根重root-water-uptake rate [辳業(yè)科學(xué)]根系吸水速率root-water-uptake model [辳業(yè)科學(xué)]根系吸水模型root-tip culture [辳業(yè)科學(xué)]根尖培養(yǎng)root-stock n.根兢