mechanism
1.A machine or mechanical appliance.
机器,机械装置
2.The arrangement of connected parts in a machine.
机械组装:机器之各相关部分的组合
3.A system of parts that operate or interact like those of a machine:
机械系统:各部分象机器零件那样运转或相互作用的系统:
the mechanism of the solar system.
太阳系的机械系统