练: white silk操: hold; grasp训练操作: training operation不熟练操作者: unskilled operative步态训练操作: gait training procedure训练操作人员: training operator熟练操纵机器的排挡和变速杆: manipulate the gears and levers of a machine练策: rensaku练博: nerihiro练常: neritsune; rentsune练兵项目: training courses练长: nerinaga练兵骨: exercise bone练畅: nerinobu练兵房: drill hall练唱催眠曲: rehearing lullabies练兵场: champ de mars; drill ground; maidan; parade ground