The firecracker went off and scared Jack's dog.
爆竹响了，把杰克的狗吓了一跳。
The boy touched off the firecracker and ran away.
那男孩点燃了爆竹就跑开了。
In the countryside, people can play firecracker in open space.
在乡村，人们可以在空地放鞭炮。
