pointed stake的用法和樣例：
例句
- In former times, prisoners' heads were impaled on pointed stakes.
從前的人把監犯的頭釘在尖樁上。 - A pointed stake often driven into the ground to support a fence, secure a tent, tether animals, mark points in surveying, or, when pointed at the top, serve as a defense.
尖木樁通常插入地面的尖木樁，用來支撐籬笆、固定帳篷、拴動物，在勘探時作標記，當尖頭在頂端時則用作防禦工具
