mech·a·nis·m/`mɛkəˏnɪzəm; ˈmekənɪzəm/ n [C] 1 the part of a machine that does a particular job 机械装置; 机件: a car's steering mechanism 汽车的转向装置 2 a way that something works or a process that makes it possible to perform an action 结构; 机制: The body has a mechanism for controlling temperature. 身体有调节体温的机制。