They fitted a smoke alarm to the ceiling.
他们把烟雾报警器安装在天花板上。
A smoke alarm lasts about ten years.
烟雾报警器可以持续工作10年左右。
You should have a smoke alarm outside each bedroom and on each floor of your home.
你应该在每间卧室外和家里的每层楼安装一个烟雾报警器。
A smoke alarm warns you of the danger.
烟雾警报器警告你有危险。
Is your smoke alarm still working?
你的烟雾警报器是否正常运作？
使用防烟警报。
Check smoke alarm displays on bridge and report.
检查驾驶台的烟雾警报显示并报告。
Note the Smoke Alarm above the grandfather clock.
注意：以上祖父时钟烟雾报警器。
Prior to summer, check your smoke alarm and make sure it is working.
夏天之前应该检查一次，确保它正常工作。
Over the loud buzzing of the smoke alarm, I asked them to identify the sound.
我的声音盖过了烟雾警报的嗡嗡声，我叫他们辨别那声音。
When I tested the smoke alarm, the sound nearly knocked me off my feet.
当我试用防火警报器时，声音大得使我震动。
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。
Asked what the most important safety gadgets were, 69 percent said the smoke alarm.
在被问及“最重要的安全类发明”时，69%的受访者认为是烟雾报警器。
Also make sure any children in the home recognize the sound of the smoke alarm and are aware of what to do should they hear it go off.
并且，你需要让家里的孩子识别报警器的声音，当他们听到报警器的声音时知道应该怎么做。
I gave the alarm as soon as I saw the smoke.
我一看见冒烟，就发出了警报。
The smoke sets off the fire alarm.
烟雾触发了火警报警器。
When I saw the smoke, I tried to sound the alarm.
看到烟后，我就设法发出警报。
As I cooked, the smoke set off the fire alarm.
当我做饭时，烟引起了火警。
Alarm everyone quickly, the house is full of smoke.
赶快把大家弄醒，这房子里全是烟。
The smoke activated the fire alarm.
烟雾触发了火警报警器。
Alarm everyone quickly because the house is full of smoke.
快警告大家，屋子理都是烟。
As soon as he saw the smoke, he sounded the alarm.
一看见烟雾，他就鸣响了警报。
烟雾触发警报器。
The doorkeeper gave the alarm as soon as he saw the smoke.
守门人一看见冒烟就发出警报。
I raised the alarm as soon as I saw the smoke.
我一看见冒烟就发出警报。
The smoke triggered off the alarm.
这些烟把警报器触响了。
A fire alarm automatic system was introduced, it was developed with smoke sensor and telephone.
介绍一种火灾自动报警系统。该系统应用了离子感烟传感器和电话。
The smoke triggered a building fire alarm, an official said.
烟雾触发了建筑火警警报器，一名官员说道。
The smoke triggered a building fire alarm, an official said.
烟雾触发了建筑火警警报器，一名官员说道。
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