sparkplug['spɑ:klʌɡ]vt.1.■[口语]2.■激励,鼓舞;推动,促进:to sparkplug the development of the enterprise促进企业的发展3.■带领,领导;发起:to sparkplug the movement of equality of the sexes发起男女平等运动变形vt.sparkpluggedsparkplugging