“石弹”用英语怎么说

大卫用的的弹弓和石弹杀死巨人歌利亚.David uses his sling and a stone to kill Goliath.射石炮早期发射石弹大炮的一种.An early form of cannon that fired stone balls.两个男孩把他们赢来的石弹平均分配了.The two boys divided the marbles they won fifty - fifty....