cogKK [kɔg] /kɔɡ/发音名词1齿轮、轮齿One broken cog can stop the entire machine from working.一个断掉的齿轮就能让整台机器停止运转。2小螺丝钉、小角色常用于 a cog in the machineHe felt like just another cog in a huge corporate machine.他觉得自己只是庞大企业机器里的一颗小螺丝钉。用这个字练口说→