firecracker的复数形式怎么写

The firecracker spattered sparks the moment it was lit.花炮点着后,刺刺地直冒火星.The firecracker didn't go off.爆竹没响.Light a firecracker with a burning joss stick.用香火点燃爆竹....

firecracker的音标：firecracker的英式发音音标为：['faɪəkrækə(r)]firecracker的美式发音音标为：['faɪərkrækə(r)]...

n.爆竹，鞭炮...