Traini特拉伊尼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 control system列车控制系统train and trolleybus电车Train Booking System火车售票系统trainable controller可训练控制器train line connector列车电缆连结器train formation plan列车编组计划train air-condition列车空调train working diagram列车运行图train lighting dynamo火车照明用发电机trained bowing player受过训练的球手