您要查找的是不是：
- 机machine
- 脱机off-line
- addendum angle (伞齿轮的)齿顶角
- 饮水机bubbler
- (=addendum) (拉)补充，补编，补遗addend.
- 死机system halted
- angle addendum (指圆锥齿轮)齿端角高
- 压机press
- addendum envelope (指螺旋齿轮的)齿顶包络面
- 接机meet sb. at the airport
- 机箱chassis
- 播放机player (e.g. CD player)
- 乘机(adv) seize the opportunity
- 机顶盒set-top box
- 机号device number
- 机柜machine cabinet
- 板机gunlock
- 跑步机treadmill
- 挂机on-hook
- 虚拟机VM
