extinguisher
UK/ɪk'stɪŋgwɪʃə/US/ik'stiŋ^wiʃә(r)/
B1
释义
n.
A portable device for putting out fires.
灭火器
词根拆分
词根派生extinguish出自，前任
+
-er站立，设立，放置
=extinguisher
extinguish + -er（做这件事的东西）= 用来灭火的工具；几乎总是 fire extinguisher。
例句
- 1.
Every floor must have a fire extinguisher near the exit.
每一层楼都必须在出口附近配备灭火器。