mechanical/məˋkænIkḷ; mIˈkænIk$l/adj 1 relating to machines, or using power from a machine (有关)机械的﹔使用机械动力的: Mechanical failure caused the accident. 机械故障造成了这起事故。mechanical toys 机械玩具2 saying or doing something without thinking, because you have said or done it so often before 机械似的﹐不加思考的: a mechanical smile 机械的笑容 —mechanically /-kḷI; -kli/adv