failsafe造句

The camera has a built-in failsafe device which prevents it from working if the right signals aren't received.
照相机有内置自动防故障装置，该装置确保相机在未接到正确信号时不会启动。

Ah, the failsafe, the Last of All Glyphs.
啊, 故障保险, 最终象形文字.