1·They fitted a smoke alarm to the ceiling.
他们把烟雾报警器安装在天花板上。
—— 《牛津词典》
2·A smoke alarm makes the risk of dying in a house fire smaller.
烟雾报警器可以降低在房屋火灾中死亡的风险。
3·A smoke alarm lasts about ten years.
烟雾报警器可以持续工作10年左右。
4·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。
5·A smoke alarm warns you of the danger.
烟雾警报器警告你有危险。
6·Is your smoke alarm still working?
你的烟雾警报器是否正常运作？
7·Use a smoke alarm.
使用防烟警报。
8·Check smoke alarm displays on bridge and report.
检查驾驶台的烟雾警报显示并报告。
9·Note the Smoke Alarm above the grandfather clock.
注意：以上祖父时钟烟雾报警器。
10·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。