Backfired
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
🗣️ 情景例句
Who is it?
是谁呀？
The doctor advised me to take better care of myself.
医生劝我要多照顾自己。
Good morning.
早上好。