单词：fire extinguisher
fire extinguisher的用法和样例：
例句
- A fire extinguisher is a fire-fighting implement.灭火器是消防用具。
- Fetch the fire extinguisher at once.立刻去拿灭火器来。
- fireman消防队员
- extinguisher灭火器
- asphyxiator炭酸气减火器...
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