ADVERB | VERB + IGNITEADVERB➤spontaneously自燃◇The burning foam generates such heat that other items ignite spontaneously.燃燒的泡沫材料產生很高的熱量,致使其他物品發生自燃。➤instantly, suddenly即刻/突然燃燒➤easily容易點燃◇an explosive that is easily ignited容易點燃的爆炸物VERB + IGNITE➤fail to無法點燃◇The gunpowder sometimes fails to ignite.火藥有時候點不着。