名词
中文翻译：红外火灾报警器
同义词：
['infrared detector', 'infrared sensor']
例句：
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1.The infrared fire alarm is designed to detect the presence of smoke before it reaches the detectors.
红外火灾报警器设计成在烟雾到达探测器之前就检测到其存在。
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2. The police department installed several infrared fire alarms in high-risk areas.
警察局在高风险区域安装了多个红外火灾报警器。
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3. The elderly should always keep their infrared fire alarms and emergency supplies handy.
老年人应该总是把他们的红外火灾报警器和应急用品放在手边。