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
- A Smoke Alarm Device with High Sensitivity
高灵敏度烟雾报警装置的研究 - This paper presents a new type of smoke alarm device based on measuring methods of amplitude and rate, and describes its hardware circuit principle.
提出了一种新型的烟雾报警装置，并详细介绍了装置的硬件电路原理和所采用的具有动态调整门限的幅值测量法和变化率测量法。 - Design, production, installation and System performance testing for smoke alarm system;
烟雾报警系统设计、安装、检修及功能试验。 - Have you installed a smoke alarm in your office?
你的办公室安装烟雾警报器了吗？ - A small girl saw the smoke and sounded the alarm.
一个小女孩看见烟，启动了警报器。 - 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。 - He woke with a start when the smoke alarm went off.
当烟雾报警器响时，他惊醒过来。 - Over the loud buzzing of the smoke alarm, I asked them to identify the sound.
对一边响起的烟雾警报器声音，我让他们说出那个声音是什么。 - Note the Smoke Alarm above the grandfather clock.
注意：以上祖父时钟烟雾报警器。 - Is smoke alarm policy effective?
感烟报警器政策是否有效？