smoke alarm
英 [ˈsməʊk əlɑːm]
美 [ˈsmoʊk əlɑːrm]
n. 烟雾报警器(用于预防火灾)
牛津词典
noun
- 烟雾报警器（用于预防火灾）
a device that makes a loud noise if smoke is in the air to warn you of a fire
柯林斯词典
- (预防火灾的)烟雾报警器
Asmoke alarmor asmoke detectoris a device fixed to the ceiling of a room which makes a loud noise if there is smoke in the air, to warn people.
英英释义
noun
- an alarm that is tripped off by fire or smoke
双语例句
- According to the inventors, young children often panic and hide when they hear a conventional smoke alarm, sometimes fearing they have done something wrong to set it off.
据这些发明人说，小孩子们在听到传统的烟雾报警器报警时，往往会惊慌失措而藏起来，有时他们会很害怕，以为自己做错了事而弄响了报警器。 - Study of Scatter Smoke Infrared Alarm Detector
散射式感烟红外报警探测器机理的探讨 - As an important competent for ensuring the train operation safety, high-performance fire smoke alarm system can reduce the fire accident greatly and drop the fire loss effectively.
高性能的烟火报警系统作为保障动车行车安全的重要组成部分，可以大大减少火灾事故的发生，有效降低火灾造成的损失。 - Unfortunately, the development of high-speed railway started late in China, the fire smoke alarm system assembled on operating EMUs is mostly imported from abroad at present.
遗憾的是，我国的高速铁路发展起步晚，现行运营的动车组上装配的烟火报警系统完全依靠国外进口。 - Discusses the structure and working principle of the interface circuit between ion sensing smoke detector and fire alarm controller.
论述了离子感烟探测器与火灾报警控制器之间接口电路的结构及工作原理。 - Fray said he believes such a detector, with a message in a familiar voice recorded on it, will be less confusing to a child than a standard smoke alarm.
弗瑞说，他相信这种录下孩子们熟悉的声音的报警器比一般报警器能让孩子减少困惑。 - The Smart Home System contained five subsystems: temperature control system, lighting control system, gas leak alarm system, fire alarm system and smoke alarm system.
智能家居系统包含五个子系统：温度控制系统、湿度控制系统、煤气泄露控制系统、火灾报警系统和烟雾报警系统。 - Adaptability of Aspiration Smoke Detection Alarm in Subways
吸气式烟雾探测报警技术在地铁中的适用性 - Have you installed a smoke alarm in your office?
你的办公室安装烟雾警报器了吗？ - He woke with a start when the smoke alarm went off.
当烟雾报警器响时，他惊醒过来。