The smoke detector beeped to alert us of smoke.

烟雾探测器发出哔哔声，提醒我们有烟雾。

The smoke detector will beep if it senses smoke.

如果烟雾探测器感应到烟雾，它会发出哔哔声。

I heard a beeping sound coming from the smoke detector.

我听到烟雾探测器发出哔哔声。

The smoke detector is alerting everyone in the building.

烟雾探测器正在发出警报，通知大楼里的每个人。

The actuation of the alarm was triggered by a smoke detector.

烟雾探测器触发了警报的启动。

Teaming up with Honeywell Corporation, NASA invented the first adjustable smoke detector with different sensitivity levels to prevent false alarms.

通过与Honeywell公司的合作，NASA发明了第一款可调节式烟雾探测器，这种探测器能够调节探测的敏感程度，从而防止发生误报警。

This smoke detector is very important in the kitchen.

这个烟雾检测器在厨房里非常重要。

A smoke detector detects the presence of smoke.

烟尘探测器可探测是否存在烟雾.

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。

The design of intelligent infrared beam smoke detector based on PIC MCU id presented.

给出一种PIC单片机为核心的智能红外光束感烟探测器的设计.