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1·Smoke detector is on the ceiling in your room.

烟雾报警器在你房间的天花板上。

2·Do not cover or block your smoke detector in any way.

无论如何都不要盖住或阻塞你的烟雾探测器。

3·Do the following to ensure the safe operation of your smoke detector: if your smoke detector is working properly, the red light should be on.

为确保您的烟雾探测器的安全运行，请执行以下操作：如果烟雾探测器正常工作，则红灯常亮。

4·A smoke detector is on the ceiling in your room.

你房间的天花板上有一个烟雾探测器。

5·If your smoke detector is working properly, the red light should be on.

如果你的烟雾探测器运作正常，红灯应当亮起。

6·Smoke detector properly installed

适当安装的烟火探测器

7·It's the smoke detector, they replied in unison.

“是烟雾探查器，”他们异口同声地说。

8·A smoke detector detects the presence of smoke.

烟尘探测器可探测是否存在烟雾。

9·It's the smoke detector, they replied in unison.

“是烟雾探查器，”他们异口同声地说。

10·Mother: Doctor, you’ve got help my son. He thinks he’s a smoke detector.

妈妈：医生，你要帮帮我儿子，他认为自己是个烟雾监测器。