剑胸骨

例句：

1. 1. The soldier had a sword chest bone in his hand.
   士兵手里握着一把剑胸骨。
2. 2. He was stabbed in the chest with a sword chest bone.
   他被一剑胸骨刺中了。
3. 3. The knight's armor included a sword chest bone for protection.
   骑士的盔甲里包括了一把剑胸骨作为保护。