extinguishers
n. [安全]灭火器（extinguisher 的复数）；灭火者
例句
Fire extinguishers are located on each floor and in each apartment.
每个公寓和楼层都有灭火器。
A: Are these fire extinguishers working?
A：这些灭火器好用吗？
How can we improve engines, inhalers, and fire extinguishers?
我们怎样改进引擎、喷雾器和灭火器？
