Fire extinguisher（灭火器）是日常生活与职场安全中常见的消防设备，掌握其造句方法能有效提升英语实用能力与写作准确性。 以下从基础用法、场景搭配及语法要点出发，提供多个典型例句，帮助您在不同语境中灵活使用该词。

- 基础用法：A fire extinguisher is a must-have in every office and home.

- 动词搭配：You should learn how to operate a fire extinguisher before an emergency.

- 定语位置：The fire extinguisher cabinet is located near the exit.

- 被动语态：The fire extinguisher was checked last week.

- 复合句：If you see a small fire, grab the nearest fire extinguisher and aim at the base.

通过以上例句可知，fire extinguisher常与动词“use/operate/check/install”搭配，也可置于名词前作定语（如fire extinguisher training）。注意单数形式前加冠词“a”或“the”，复数形式“fire extinguishers”用于泛指。

【常见问题】

问题1：如何用fire extinguisher造句表示“检查灭火器”？

回答1：可以用“check a fire extinguisher”或“inspect the fire extinguisher”，例如：The safety officer inspects every fire extinguisher monthly.

问题2：fire extinguisher造句时，谓语动词用单数还是复数？

回答2：当主语是“a fire extinguisher”时谓语用单数，如“A fire extinguisher is required by law”；主语是“fire extinguishers”时谓语用复数，如“Fire extinguishers are placed in all corridors.”