n.开火；解雇；生火；加热；燃料
动词fire的现在分词.
Cartridges are ejected from the gun after firing. 开枪后子弹从枪膛里弹出去。
She's responsible for the hirings and firings. 她负责雇用和解雇。
v.(指内燃机等)逆火；适得其反；产生事与愿违的结果
n.逆火；后爆的巨大响声
不点火
