ultrasonic remote control

例句：

1. 1. This ultrasonic remote control is incredibly easy to use.
   这个超声波遥控器使用起来非常简单。
2. 2. The ultrasonic remote control is perfect for controlling the TV in a noisy room.
   这种超声波遥控器非常适合在嘈杂的房间里控制电视。
3. 3. The engineer used an ultrasonic remote control to test the new car's brake system.
   工程师用超声波遥控器测试了新车的刹车系统。