n.（汽油引擎的）发火装置；着火，燃烧；点火，点燃； 变形： 复数：ignitions 英英释义： ignition[ iɡ'niʃən ]n.the process of initiating combustion or catching firethe mechanism that ignites the fuel in an internal-combustion engine同义词：ignition systemthe act of setting something on fire同义词：fir