1 . ping
pin package, sector 扇形板定位销组件ping 爆声pinion 驱动齿轮,主动齿轮
2 . sonic boom
somatogyral illusion 躯体转动错觉sonic boom 爆声short duration acceleration 短时间加速度
3 . explosivesound
explosiveshower 爆发簇射, explosivesound 爆声, explosiveshower 爆炸簇射
4 . decrepitans
decrepit 破烂的, decrepitans 爆声, decrepit 虚弱的