In lodgings, find out about fire detection and protection procedures; check for exits and smoke detectors.

在寄宿处，了解火警探测和保全程序；检查紧急出口和烟雾探测器。

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I'm checking the smoke detectors just in case there is a fire.

我在检查烟雾侦测器，以防发生火灾。

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It can be equipped with smoke and temperature detectors, sound and light alarms, manual controllers, gas release indicators and other accessories to form an automatic fire extinguishing systems.

可挂接开关量的烟感、温感控制器及声光控制器、手动控制盒、放弃指示灯等附加设备，组成自动灭火系统。

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The cabin built and slept in by campers last summer needs a bathroom, fire sprinklers and smoke detectors.

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It detailed safety precautions such as keeping 24 fire extinguishers and 11 smoke detectors on hand.

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Until then, they were fairly boring things, with most people understanding how they worked only because their neighborhood streetlights went on when they sensed darkness, smoke detectors sounded alarms and fire trucks beeped because motion sensors understood when they were backing up.

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