弹头

例句：

1. 1. The bullet hit the man in the chest.
   子弹击中了那人的胸口。
2. 2. The sharp tip of the knife was embedded in the wall.
   刀尖嵌入墙上。
3. 3. The projectile had a pointed nose, designed to pierce through armor.
   这个弹丸有尖尖的鼻部，设计用来穿透装甲。