拖: 动词1.(拉着物体使移动) pull; drag; draw; haul 短语和例子拖网捕鱼 drag [haul] a net in fishing; 拖住敌人 pin down the enemy; 把身体拖垮 wear oneself down; 他冲进房间把我从床上拖起来。 he rushed into the room and pulled me out of b
电机: (任何产生和应用电能的机器, 特指发电机、电动机) any power-generating or power-driven machine, esp. generator or electric motor; electrical machinery◇电机厂 electrical machinery plant; 电机工程师 electric engineer; 电机工业