1 啪嗒啪嗒的响声
flip-flop
2 烟火
pyrotechnic pyrotechnical
3 后空筋斗
4 旋转器
spinner rotator
5 突然转变
snap fly off at a tangent fly off on a tangent go off at a tangent go off on a tangent
6 爆竹
cracker popper banger squib throw-down fire cracker
7 触发器
trigger flip-flop