joy·stick /-ˌstɪk/
  操縱桿
  joystick
  操縱桿; 搖桿
  joystick
       n 1: a lever used by a pilot to control the ailerons and
            elevators of an airplane [syn: stick, control stick]
       2: a manual control consisting of a vertical handle that can
          move freely in two directions; used as an input device to
          computers or to devices controlled by computers