英语词汇“spark plug”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	spark plug
释义	spark plug noun 1. : a part that fits into the cylinder head of an internal-combustion engine and carries two electrodes separated by an air gap across which the current from the ignition system discharges to form the spark for combustion 2. : one that initiates, affords the impetus to, or is the most effective or dynamic force in an undertaking or work : prime mover, mainspring < supervisors are the spark plugs in any program of vocational education — E.A.Lee > < his responsibility to act as spark plug when his team is in the field — C.F.Stubblefield > < the profit motive as a spark plug of progress — S.T.Williamson >
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英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。