And also, please have a carbon monoxide detector in your home.

另外， 请在家中安装一氧化碳检测器。

I see you returned the carbon monoxide detector again?

‎你们不是无理由退货吗？

This modern looking speaker, taking voice commands, is actually a smoke and carbon monoxide detector that every house in the US is required to have.

这个可以语音命令且看起来很现代化的扬声器实际上是一个监测器，一个全美家庭必备的烟雾和一氧化碳检测器。