短語(yǔ)詞組短語(yǔ)roll -down overedger 朝下包縫機(jī)roll sth down 旋開Roll -Down Training 自上而下分級(jí)培訓(xùn)法roll back down 正在翻譯;回滾下來(lái);回滾關(guān)閉leaf side roll down 葉緣垂卷roll down your window 滾下來(lái)你的窗口;把車窗搖下roll down calls 向下滾動(dòng)看漲期權(quán) 返回 roll down