device for stopping buffer action

例句：

1. 1.The device is designed to detect and prevent fires.
   这个装置被设计用来检测和预防火灾。
2. 2.The engineer used a device to test the new software.
   工程师使用了一个设备来测试新的软件。
3. 3. The device was carefully placed in the machine to ensure it worked properly.
   设备被小心地放置在机器中，以确保它正常工作。