mechanism ,n.1 机械装置,(可数）The machanism of this toy train is faulty.The professor explained how the mechanism of my pocket watch.2 机构,机体（可数）The bones and muscles are parts of the mechanis... mechanism ,n.1 机械装置,(可数）The machanism of this toy train is faulty.The professor explained how the mechanism of my pocket watch.2 机构,机体（可数）The bones and muscles are parts of the mechanis...