sucking spear

例句：

1. 1. The soldier was so tired that he could hardly hold the sucking spear.
   士兵太累了，几乎拿不住那根吮吸的矛。
2. 2.The ancient warrior used a sucking spear to defeat his enemies.
   古代战士用一根吮吸的矛击败了他的敌人。
3. 3. The spearhead of the spear was made from a piece of bone, which was then heated and shaped into a sharp, sucking point.
   矛头是用一块骨头制成的，然后加热并塑形成锋利的、吮吸状的尖点。