multimedia joystick的用法和样例：
例句
- Use the joystick or navigation keys to select the pocket.
使用操纵杆或者导航键来选择口袋。 - Input devices include keyboards and pointing devices such as mouse,joystick,track ball, or light pen.
输入设备包括键盘和点击设备如鼠标，操纵杆，跟踪球或光笔。
词汇搭配
- joy stick 操纵杆
