v. （内燃机等）发生逆火( backfire的过去式和过去分词 ); 发生回火; （枪炮）向后爆发; 发生意外
英文释义
v come back to the originator of an action with an undesired effect
v emit a loud noise as a result of undergoing a backfire
v set a controlled fire to halt an advancing forest to prairie fire