arrowhead

例句：

1. 1.The arrowhead on the bow is sharp enough to pierce through a thicket of thorns.
   这把弓上的箭头足够锋利，能穿透密集的荆棘。
2. 2.The archaeologists found an arrowhead embedded in the ancient pottery.
   考古学家们在古代陶器中发现了一个箭头。
3. 3.The hunter used his bow and arrowhead to hunt for food.
   猎人用他的弓和箭头来打猎。