Traino特拉伊诺trainn.列车；火车；行列；一系列vt.训练；培训；瞄准vi.进行锻炼，接收训练；练习train register列车记录簿train buckling列车屈曲train of waves波列Train Coupling折关train preparer列车整备员train pull out火车出站train speed up火车加速train wheelset轮对轴承trainobjective培养目标Train modeling列车建模