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
  Synonym:fire alarm

双语例句

• 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。
• Is smoke alarm policy effective?
  感烟报警器政策是否有效？
• Study of Scatter Smoke Infrared Alarm Detector
  散射式感烟红外报警探测器机理的探讨
• 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
• Application of the Smoke Detecting Fire Alarm System on Metro Vehicles
  烟雾探测火灾报警系统在地铁车辆上的应用
• A Smoke Alarm Device with High Sensitivity
  高灵敏度烟雾报警装置的研究
• Note the Smoke Alarm above the grandfather clock.
  注意：以上祖父时钟烟雾报警器。
• Discussion on Design of Aspirating Smoke Detection Fire Alarm System
  有关吸气式烟雾探测火灾报警系统设计的探讨
• The smoke triggered off the alarm.
  这些烟把警报器触响了。
• The noisy parrot, called Sammi, had escaped from neighbor Louise Ledger's house a week earlier and spent seven days in the garden mimicking a smoke alarm.
  这只调皮捣蛋的鹦鹉赛米在一周前，从莎娜赛尔斯顿的邻居露易丝莱德格的家中逃跑出来。一周以来，它每天都在赛尔斯顿家后花园里模仿烟雾报警器的声音。