spark plug

US /ˈspɑːrk ˌplʌɡ/
UK /ˈspɑːrk ˌplʌɡ/
"spark plug" picture
1.

火花塞

a device for firing the explosive mixture in an internal combustion engine

:
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The mechanic replaced the faulty spark plug.
机械师更换了有故障的火花塞。
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A worn-out spark plug can cause engine misfires.
磨损的火花塞可能导致发动机失火。
:
ignition plug
2.

催化剂, 推动力

a person or thing that is a catalyst for a development or event

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Her innovative idea was the spark plug for the entire project.
她的创新想法是整个项目的火花塞。
•
He acted as the spark plug, motivating the team to achieve their goals.
他充当了火花塞，激励团队实现目标。
:
catalystimpetusstimulusinitiatordriver
:
plugplug inplug intosparkplug and playplug awaypull the plug