engine backfire
collocation发动机回火
An engine backfire is often caused by incorrect ignition timing.
发动机回火通常是由不正确的点火正时引起的。
（发动机的）回火；逆火
backfires — plural of backfire
先理解核心含义，再看它在真实句子里的用法。
（发动机的）回火；逆火
A sudden explosion caused by fuel burning in the wrong part of an engine, such as the cylinder or exhaust system.
The old car's engine let out a loud backfire that startled everyone nearby.
那辆旧车的发动机发出一声巨大的回火，吓了附近所有人一跳。
在气体或油发动机的排气或压缩冲程中发生的过早爆炸,导致活塞向错误方向运动。
A premature explosion in the cylinder of a gas or oil engine during the exhaust or the compression stroke, tending to drive the piston in the wrong direction.
内燃机排气通道中的爆炸。
An explosion in the exhaust passages of an internal combustion engine.
其他设备中的爆炸。
An explosion in other equipment.
His attempt to spread rumors turned out to be a backfire as he lost his own reputation.
他散布谣言的努力结果适得其反，反而损害了自己的名声。
To control the forest fire, the firefighters ignited a backfire along the ridge.
为了控制森林火灾，消防员沿着山脊点燃了一道迎火（回火）。
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发动机回火
An engine backfire is often caused by incorrect ignition timing.
发动机回火通常是由不正确的点火正时引起的。
排气管回火
An exhaust backfire can damage the muffler.
排气管回火会损坏消声器。
响亮的回火声
The truck gave a loud backfire as it accelerated.
卡车加速时发出一声响亮的回火声。
突然的回火
The sudden backfire surprised everyone in the garage.
突然的回火让车库里的人都吓了一跳。
回火问题
The mechanic fixed the backfire problem by adjusting the carburetor.
机械师通过调整化油器解决了回火问题。
Use backfires naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象“back（向后）+ fire（火）”：火焰向后喷，正是发动机回火（逆火）的画面。
语域：neutral 常见场景：汽车维修、机械故障排查、工程/技术说明 作名词时属于中性表达，通常用于技术说明或故障描述，指发动机或设备内异常燃烧导致的爆燃现象；多出现在维修、工程或新闻报道等书面语境中。
作名词时通常可数，尤指内燃机逆火或森林防火中的回火。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.