gizmo montage amplifier

例句：

1. 1. The gizmo is a small device that can be used to control the temperature in a room.
   这个小玩意是一个可以用来控制房间温度的小设备。
2. 2. He found a gizmo on the floor and decided to use it as a makeshift door.
   他在地板上发现了一个小玩意，决定用它作为临时的门。
3. 3. The gizmo has been designed to improve efficiency in transportation.
   这个小玩意已经被设计用来提高运输效率。